CN105699112A - Steel coil sampling method - Google Patents
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- CN105699112A CN105699112A CN201610133335.XA CN201610133335A CN105699112A CN 105699112 A CN105699112 A CN 105699112A CN 201610133335 A CN201610133335 A CN 201610133335A CN 105699112 A CN105699112 A CN 105699112A
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- 238000005070 sampling Methods 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005520 cutting process Methods 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims description 4
- 241000951498 Brachypteraciidae Species 0.000 abstract 3
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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Abstract
The invention relates to a steel coil sampling method, which comprises the following steps: placing the steel coil on a ground roller; the ground roller drives the steel coil to rotate to a position where a set gap is formed at the tail of the steel coil; inserting a skid into a set gap of the outer ring of the tail part of the steel coil; the ground roller drives the steel coil to rotate, so that the gap is gradually increased, and the skid continuously sinks; after the steel coil rotates for a set angle, inserting the sampling steel ruler into the gap and pressing the sampling steel ruler on the skid; and cutting and sampling the tail part of the steel coil. The steel coil sampling method is simple to operate and can be completed by one person, and the sampling time can be obviously shortened.
Description
Technical field
The present invention relates to steel plate rolling technical field, particularly to a kind of steel coil sampling method。
Background technology
High-strength steel sampling as an important process of hot-rolled sheet coil test stage, sampling efficiency height directly affect order test of product performance cycle length and date of delivery speed speed, even affect warehousing pressure。Pipe line steel and yield strength at the high-strength steel for engineering mechanism purpose of more than 400Mpa thickness >=8mm because intensity is high and general thickness specification is all bigger, in storehouse, during sampling, artificial uncoiling does not have special uncoiling and sampling instrument, and resilience force is bigger during high-strength steel uncoiling, personal safety be there is also hidden danger, therefore sampling operational difficulties manpower big, time length, needs is completed also more, it is generally required to 2-3 people completes。
Sampling process of the prior art length consuming time, difficulty is big, it is necessary to more manpower, and meanwhile, during high-strength steel uncoiling, resilience force is relatively big, there is the hidden danger of personal safety。
Summary of the invention
A kind of steel coil sampling method that the application provides, solve or part solves the length consuming time of sampling process in prior art, difficulty is big, needing more manpower, during high-strength steel uncoiling, resilience force is relatively big, there is the technical problem of the hidden danger of personal safety, achieve sampling Job Operations simple, one man operation can complete, simultaneously, hence it is evident that shortens the technique effect of sample time。
This application provides a kind of steel coil sampling method, comprise the following steps:
Coil of strip is placed in described ground roll；
Described ground roll drives described coil of strip to turn to described coil of strip afterbody and described coil of strip has the position setting gap；
Chock is inserted in the described setting gap of described coil of strip afterbody and described coil of strip；
Described ground roll drives described coil of strip to rotate, and makes gap be gradually increased, and described chock constantly sinks；
After described coil of strip rotates set angle, sampling steel ruler is inserted in described gap, and is pressed on described chock；
Cutting sampling is carried out at described coil of strip afterbody。
As preferably, described coil of strip is hung in described ground roll by the overhead traveling crane in described item pool。
As preferably, operating platform is arranged on one end of described ground roll, to control the rotation of described ground roll；
To observe near described ground roll one end of described operating platform, after described coil of strip afterbody turns to the first setting central angle position of described coil of strip, described coil of strip afterbody and described coil of strip have setting gap。
As preferably, the described first scope setting central angle is 0 °～60 °；
The maximum spacing in described setting gap is more than the thickness of described chock。
As preferably, to observe near described ground roll one end of described operating platform, described operating platform controls described ground roll and rotates counterclockwise, and described coil of strip is followed described ground roll and rotated counterclockwise；
Described coil of strip rotates after set angle, and what described coil of strip afterbody was positioned at described coil of strip second sets central angle position, and now, described chock is to the coil of strip length of described coil of strip afterbody more than sample length, and the space that described coil of strip afterbody is opened is more than cutting requisite space。
As preferably, the described second scope setting central angle is 300 °～330 °。
As preferably, after described chock inserts described setting gap, described chock is parallel to the axle center of described coil of strip。
As preferably, described sampling steel ruler is parallel to the axle center of described coil of strip；
By flame-cutting plant, described coil of strip afterbody is carried out cutting sampling；
In cutting process, cutting moving along described sampling steel ruler of described flame-cutting plant。
As preferably, described coil of strip be yield strength more than 400MPa, thickness of slab is not less than the high-strength steel for engineering mechanism purpose of 8mm。
As preferably, described coil of strip is pipe line steel。
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
Coil of strip is driven to rotate owing to have employed ground roll, chock is inserted the gap of coil of strip afterbody by operator, gap becomes larger along with the rotation of coil of strip, after coil of strip rotates set angle, chock from the length of coil of strip afterbody more than after sample length, again sampling steel ruler is pressed on chock, carries out cutting sampling along sampling steel ruler；During cutting, chock can be prevented effectively from coil of strip afterbody resilience, and sampling steel ruler ensures that cutting operation is stable, cutting is neat, prevents flame scaling loss chock simultaneously。So, efficiently solve the length consuming time of sampling process in prior art, difficulty is big, needing more manpower, during high-strength steel uncoiling, resilience force is relatively big, there is the technical problem of the hidden danger of personal safety, achieve sampling Job Operations simple, one man operation can complete, simultaneously, hence it is evident that shortens the technique effect of sample time。
Accompanying drawing explanation
The flow chart of the steel coil sampling method that Fig. 1 provides for the embodiment of the present invention；
The first view of coil of strip in the steel coil sampling method that Fig. 2 provides for the embodiment of the present invention；
The second view of coil of strip in the steel coil sampling method that Fig. 3 provides for the embodiment of the present invention。
(parts that in diagram, each label represents are followed successively by: 1 ground roll, 2 coil of strips, 3 chocks, 4 coil of strip afterbodys, 5 operating platforms, 6 sampling steel rulers)
Detailed description of the invention
A kind of steel coil sampling method that the embodiment of the present application provides, solving or part solves the length consuming time of sampling process in prior art, difficulty is big, it is necessary to more manpower, during high-strength steel uncoiling, resilience force is bigger, there is the technical problem of the hidden danger of personal safety, by reasonable operation ground roll, chock and sampling steel ruler, be rapidly completed sampling work, achieve sampling Job Operations simple, one man operation can complete, simultaneously, hence it is evident that shortens the technique effect of sample time。
Referring to accompanying drawing 1, this application provides a kind of steel coil sampling method, comprise the following steps:
S1: coil of strip 2 is placed in ground roll 1。Detailed process is: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: ground roll 1 drives coil of strip 2 to turn to coil of strip afterbody 4 and coil of strip 2 has the position setting gap。Wherein, operating platform 5 is arranged on one end of ground roll 1, rotates controlling ground roll 1；To observe near ground roll 1 one end of operating platform 5, referring to accompanying drawing 2, the first view of coil of strip, after coil of strip afterbody 4 turns to the first setting central angle position of coil of strip 2, coil of strip afterbody 4 and coil of strip 2 have setting gap。Wherein, the first scope setting central angle is 0 °～60 °, sets the maximum spacing thickness more than chock 3 in gap。
Because coil of strip 2 is think gauge high strength steel, there is certain resilience force, resilience force makes coil of strip afterbody 4 open and produces certain gap, and the change of the position, size invar end of reel portion 4 of this gap and different, to observe near ground roll 1 one end of operating platform 5, by first set central angle control in the reason of the scope of 0 °～60 ° be: when coil of strip afterbody 4 position first set central angle less than 0 ° time, after coil of strip 2 rotates, chock 3 does not reach sample length from the length of coil of strip afterbody 4, it is impossible to complete sampling work。When the first of coil of strip afterbody 4 position sets central angle more than 60 °, coil of strip afterbody 4 is under the effect of deadweight, and the maximum spacing in gap can diminish, and makes the maximum spacing thickness less than chock 3 in setting gap, and chock 3 cannot insert in gap smoothly。
S3: chock 3 inserting coil of strip afterbody 4 with the setting gap of coil of strip 2, chock 3 one aspect can be prevented effectively from coil of strip afterbody 4 resilience, is avoided that coil of strip 2 surface is scratched on the other hand。Chock 3 inserts after setting gap, and chock 3 is parallel to the axle center of coil of strip 2, ensures that coil of strip afterbody 4 is stable on the one hand, ensures line of cut parallel steel coil 2 axle center during sampling on the other hand。
S4: ground roll 1 drives coil of strip 2 to rotate, and makes gap be gradually increased, and chock 3 constantly sinks。This process is: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated counterclockwise。
S5: after coil of strip 2 rotates set angle, inserts sampling steel ruler 6 in gap, and is pressed on chock 3, it is ensured that sampling steel ruler 6 is parallel to the axle center of coil of strip 2, and sampling steel ruler 6 ensures that cutting operation is stable, cutting is neat, prevents flame scaling loss chock 3 simultaneously。
Wherein, coil of strip 2 is followed after ground roll 1 rotates counterclockwise set angle, and coil of strip afterbody 4 is positioned at the second of coil of strip 2 and sets central angle position, and the second scope setting central angle is 300 °～330 ° (or-60 °～-30 °), referring to accompanying drawing 3, the second view of coil of strip。Now, chock 3 arrives coil of strip 2 length of coil of strip afterbody 4 more than sample length, and the space that coil of strip afterbody 4 is opened is more than cutting requisite space。
S6: carry out cutting sampling at coil of strip afterbody 4。By flame-cutting plant, coil of strip afterbody 4 is carried out cutting sampling；In cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
Further, coil of strip 2 be pipe line steel or yield strength more than 400MPa, thickness of slab is not less than the high-strength steel for engineering mechanism purpose of 8mm。
Steel coil sampling method the application provided below by specific embodiment describes in detail:
Embodiment one
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 0 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 300 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment two
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 10 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 305 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment three
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 20 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 310 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment four
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 30 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 315 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment five
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 40 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 320 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment six
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 50 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 325 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Embodiment seven
S1: coil of strip 2 is hung in ground roll 1 by the overhead traveling crane in item pool。
S2: being operated by platform 5 and control ground roll 1 and rotate, operating platform 5 is arranged on one end of ground roll 1；To observe near ground roll 1 one end of operating platform 5, coil of strip afterbody 4 turns to the first of coil of strip 2 and sets the position that central angle is as 60 °, now, and the maximum spacing thickness more than chock 3 setting gap of coil of strip afterbody 4。
S3: chock 3 is inserted in the setting gap of coil of strip afterbody 4 and coil of strip 2。
S4: to observe near ground roll 1 one end of operating platform 5, operating platform 5 controls ground roll 1 and rotates counterclockwise, and coil of strip 2 is followed ground roll 1 and rotated, and gap is gradually increased, and chock 3 constantly sinks。
S5: coil of strip 2 rotates, makes coil of strip afterbody 4 be positioned at the second of coil of strip 2 and sets the position that central angle is as 330 °, inserted in gap by sampling steel ruler 6, and be pressed on chock 3。
S6: coil of strip afterbody 4 is carried out cutting sampling by flame-cutting plant, in cutting process, cutting moving along sampling steel ruler 6 of flame-cutting plant。
By above step, operator can smoothly complete sampling work, hence it is evident that reduces by 1 to 2 labour forces, meanwhile, can shorten sample time 2 hours。
Can being drawn by above example, this steel coil sampling method, by adopting ground roll, chock, sampling steel ruler and flame-cutting plant to be rapidly completed sampling work, only needs a people can complete sampling work, convenient, fast, safety。
One or more technical schemes provided herein, at least have the following technical effect that or advantage:
Coil of strip 2 is driven to rotate owing to have employed ground roll 1, chock 3 is inserted the gap of coil of strip afterbody 4 by operator, gap becomes larger along with the rotation of coil of strip 2, after coil of strip 2 rotates set angle, chock 3 from the length of coil of strip afterbody 4 more than after sample length, again sampling steel ruler 6 is pressed on chock 3, carries out cutting sampling along sampling steel ruler 6；During cutting, chock 3 can be prevented effectively from coil of strip afterbody 4 resilience, and sampling steel ruler 6 ensures that cutting operation is stable, cutting is neat, prevents flame scaling loss chock 3 simultaneously。So, efficiently solve the length consuming time of sampling process in prior art, difficulty is big, needing more manpower, during high-strength steel uncoiling, resilience force is relatively big, there is the technical problem of the hidden danger of personal safety, achieve sampling Job Operations simple, one man operation can complete, simultaneously, hence it is evident that shortens the technique effect of sample time。
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (10)
1. a steel coil sampling method, samples for ground roll in item pool, it is characterised in that described steel coil sampling method comprises the following steps:
Coil of strip is placed in described ground roll；
Described ground roll drives described coil of strip to turn to described coil of strip afterbody and described coil of strip has the position setting gap；
Chock is inserted in the described setting gap of described coil of strip afterbody and described coil of strip；
Described ground roll drives described coil of strip to rotate, and makes gap be gradually increased, and described chock constantly sinks；
After described coil of strip rotates set angle, sampling steel ruler is inserted in described gap, and is pressed on described chock；
Cutting sampling is carried out at described coil of strip afterbody。
2. steel coil sampling method as claimed in claim 1, it is characterised in that
Described coil of strip is hung in described ground roll by the overhead traveling crane in described item pool。
3. steel coil sampling method as claimed in claim 1, it is characterised in that
Operating platform is arranged on one end of described ground roll, to control the rotation of described ground roll；
To observe near described ground roll one end of described operating platform, after described coil of strip afterbody turns to the first setting central angle position of described coil of strip, described coil of strip afterbody and described coil of strip have setting gap。
4. steel coil sampling method as claimed in claim 3, it is characterised in that
Described first scope setting central angle is 0 °～60 °；
The maximum spacing in described setting gap is more than the thickness of described chock。
5. steel coil sampling method as claimed in claim 3, it is characterised in that
To observe near described ground roll one end of described operating platform, described operating platform controls described ground roll and rotates counterclockwise, and described coil of strip is followed described ground roll and rotated counterclockwise；
Described coil of strip rotates after set angle, and what described coil of strip afterbody was positioned at described coil of strip second sets central angle position, and now, described chock is to the coil of strip length of described coil of strip afterbody more than sample length, and the space that described coil of strip afterbody is opened is more than cutting requisite space。
6. steel coil sampling method as claimed in claim 5, it is characterised in that
Described second scope setting central angle is 300 °～330 °。
7. steel coil sampling method as claimed in claim 1, it is characterised in that
After described chock inserts described setting gap, described chock is parallel to the axle center of described coil of strip。
8. steel coil sampling method as claimed in claim 1, it is characterised in that
Described sampling steel ruler is parallel to the axle center of described coil of strip；
By flame-cutting plant, described coil of strip afterbody is carried out cutting sampling；
In cutting process, cutting moving along described sampling steel ruler of described flame-cutting plant。
9. steel coil sampling method as claimed in claim 1, it is characterised in that
Described coil of strip be yield strength more than 400MPa, thickness of slab is not less than the high-strength steel for engineering mechanism purpose of 8mm。
10. steel coil sampling method as claimed in claim 1, it is characterised in that
Described coil of strip is pipe line steel。
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| CN201610133335.XA CN105699112B (en) | 2016-03-09 | 2016-03-09 | Steel coil sampling method |
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| CN201610133335.XA CN105699112B (en) | 2016-03-09 | 2016-03-09 | Steel coil sampling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111257032A (en) * | 2020-03-19 | 2020-06-09 | 中铝瑞闽股份有限公司 | Sampling method for aluminum alloy hot-rolled coiled material |
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| CN111257032B (en) * | 2020-03-19 | 2022-09-20 | 中铝瑞闽股份有限公司 | Sampling method for aluminum alloy hot-rolled coiled material |
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