CN108588572A - A kind of high strength easy welding grinding roller basis material - Google Patents
A kind of high strength easy welding grinding roller basis material Download PDFInfo
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- CN108588572A CN108588572A CN201810840823.3A CN201810840823A CN108588572A CN 108588572 A CN108588572 A CN 108588572A CN 201810840823 A CN201810840823 A CN 201810840823A CN 108588572 A CN108588572 A CN 108588572A
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- mass percentage
- percentage content
- grinding roller
- welding
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crushing And Grinding (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of high strength easies to weld grinding roller basis material, includes the component of following mass percentage content:Manganese 1.5%~1.8%, carbon 0.05%~0.08%, silicon 0.10%~0.30%, nickel 1.0%~2.5%, chromium 3.5%~4.0%, niobium 0.02%~0.04%, vanadium 0.04%~0.06%, titanium 0.010%~0.020%, sulphur are less than or equal to 0.005%, and phosphorus is less than or equal to 0.010%, and surplus is iron.A kind of high strength easy provided by the present invention welds grinding roller basis material, both there is higher intensity, yield strength is more than 500 MPa, and there is good weldability, applied in conventional soldering techniques, without being preheated, it is not in crackle to weld after natural cooling, as welding base metal, intensity is also without being decreased obviously after welding, consequently facilitating in the material of roll surface built-up welding high-wearing feature.
Description
Technical field
The present invention relates to a kind of grinding grinding roller basis material technical field, especially a kind of high strength easy welds grinding roller matrix
Material.
Background technology
Cement is the basic material of building industry, according to the composition of cement can be divided into portland cement, aluminate cement,
Sulphate aluminium cement, fluoroaluminate cement and ferrous aluminate cement etc.;The common raw material of cement has lime stone, granulated blast-furnace
Slag, volcanic ash, flyash and land plaster etc., these raw materials for being used to prepare cement are required for being processed by milling equipment
The powder of certain grain size can realize uniform mixing and fully react.
Since cement industry has the characteristics that yield is huge, cement process equipment is required in high intensity, big load
With work continuously for a long time in the state of high efficiency, the abrasion of the equipment such as grinding grinding roller is very fast, it is therefore desirable to regularly to mill
Roller roll surface carries out build-up wear-resistant material, to repair the roll surface wear-resisting layer of abrasion.Or grinding grinding roller in the prior art has
Higher intensity, such as be made of high-carbon steel, potassium steel material, but its welding performance is poor, needs to carry out before welding
Preheating, and need to avoid base material phase transition temperature interval, the intensity of grinding grinding roller otherwise can be caused to decline after weld job apparent;
There is preferable welding performance, such as be made of ordinary low-carbon steel material, but its intensity be poor, high intensity, it is long when
Between using easily deforming.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of high strength easies to weld grinding roller basis material, both had
There is higher intensity, and there is preferable welding performance, consequently facilitating in the material of roll surface built-up welding high-wearing feature.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of high strength easy welding grinding roller basis material, including following components:The mass percentage content of manganese is 1.5%~1.8%,
The mass percentage content of carbon is 0.05%~0.08%, and the mass percentage content of silicon is 0.10%~0.30%, the quality hundred of nickel
It is 1.0%~2.5% to divide than content, and the mass percentage content of chromium is 3.5%~4.0%, and the mass percentage content of niobium is 0.02%
~0.04%, the mass percentage content of vanadium is 0.04%~0.06%, and the mass percentage content of titanium is 0.010%~0.020%,
The mass percentage content of sulphur is less than or equal to 0.005%, and the mass percentage content of phosphorus is less than or equal to 0.010%, and surplus is iron.
Compared with prior art, the beneficial effects of the invention are as follows:
A kind of high strength easy provided by the present invention welds grinding roller basis material, and both there is higher intensity, yield strength to be more than
500 MPa, and there is good weldability, it is applied in conventional soldering techniques, without being preheated, after welding natural cooling not
It will appear crackle, intensity is also without being decreased obviously after welding as welding base metal, consequently facilitating in roll surface built-up welding high-wearing feature
Material.
Specific implementation mode
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
A kind of high-bond wearing layer cement raw material grinding roller that the present embodiment is provided, including grinding roller matrix and grinding roller wearing layer,
Grinding roller matrix is that high strength easy welds steel:The mass percentage content of manganese is 1.6%, and the mass percentage content of carbon is 0.07%,
The mass percentage content of silicon is 0.22%, and the mass percentage content of nickel is 1.8%, and the mass percentage content of chromium is 3.8%,
The mass percentage content of niobium is 0.03%, and the mass percentage content of vanadium is 0.05%, and the mass percentage content of titanium is
0.015%, the mass percentage content of sulphur is less than or equal to 0.005%, and the mass percentage content of phosphorus is less than or equal to 0.010%, surplus
For iron;
The yield strength of above-mentioned high strength easy welding steel is more than 500 MPa, and has good weldability, is applied to normal welding
In technique, without being preheated, it is not in crackle to weld after natural cooling, as welding base metal after welding intensity also without bright
It is aobvious to decline.
The built-up welding raw material of grinding roller wearing layer includes the component of following mass fraction:13 parts of ferrochrome powder, 3.3 parts of ferromanganese powders, 1.8
Part molybdenum-iron powder, 0.4 part of ferro-niobium powder, 3 parts of Al-Mg alloy powders, 5 parts of ferrosilicon powders, 6 parts of ferro-boron powder, 7 parts of graphite powders and 28 parts of atomization iron
Powder;Wherein:
The mass percentage content of chromium is 43%~45% in ferrochrome powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.1%;
The mass percentage content of manganese is 78%~80% in ferromanganese powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.1%;
The mass percentage content of magnesium is 35%~37% in Al-Mg alloy powder, balance aluminum, remaining impurity mass percentage content is small
In equal to 0.1%;
The mass percentage content of molybdenum is 60%~62% in molybdenum-iron powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.5%;
The mass percentage content of niobium is 71%~73% in ferro-niobium powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.5%;
The mass percentage content of silicon is 70%~72% in ferrosilicon powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.3%;
The mass percentage content of boron is 15%~17% in ferro-boron powder, balance iron, remaining impurity mass percentage content is less than etc.
In 0.3%;
Graphite powder, impurity mass percentage content are less than or equal to 0.1%;
Atomized iron powder, impurity mass percentage content are less than or equal to 0.1%.
The preparation method of above-mentioned high-bond wearing layer cement raw material grinding roller includes the following steps:
Step 1: screening ferrochrome powder, ferromanganese powder, molybdenum-iron powder, ferro-niobium powder, Al-Mg alloy powder, ferrosilicon powder and ferro-boron powder, make above-mentioned
The grain size of raw material powder is less than or equal to 180 microns;Graphite powder and atomized iron powder are screened, the grain size of above-mentioned raw materials powder is made to be less than etc.
In 150 microns;
Step 2: weighing above-mentioned raw materials powder according to quality proportioning, and it is sufficiently mixed, wearing layer welding wire medicine core is made;
Step 3: selecting mild-carbon steel strip as wearing layer welding wire crust, wearing layer welding wire crust wraps up wearing layer welding wire medicine core system
Wearing layer welding wire, the mass ratio of wearing layer welding wire medicine core and wearing layer welding wire crust are 2 ︰ 1, wearing layer welding wire it is a diameter of
0.5 centimetre;
Step 4: welding wear-resistant layer wire bond is connected on grinding roller matrix, welding machine voltage is 33~36 V, and welding current is 500~550
A, wire feed rate are 50~60 centimetres per minute, and dry extension of electrode is 20~30 millimeters.
It is wear-resisting according to the wearing layer for the cement raw material grinding roller that the thickness that above-mentioned preparation method prepares is 0.5 centimetre
Performance is as follows:
By the load of cement raw material grinding roller in high pressure double-roller extrusion mill, pressure between two rollers is 250 MPa, to blast-furnace cinder into
Row squeezes milling operation, and after working continuously 400 hours, wearing layer weight-loss ratio is less than or equal to 8%.
Specific embodiment 2
A kind of high-bond wearing layer cement raw material grinding roller that the present embodiment is provided, including grinding roller matrix and grinding roller wearing layer,
Grinding roller matrix is that high strength easy welds steel:The mass percentage content of manganese is 1.5%, and the mass percentage content of carbon is 0.05%,
The mass percentage content of silicon is 0.10%, and the mass percentage content of nickel is 2.5%, and the mass percentage content of chromium is 4.0%,
The mass percentage content of niobium is 0.02%, and the mass percentage content of vanadium is 0.06%, and the mass percentage content of titanium is
0.010%, the mass percentage content of sulphur is less than or equal to 0.005%, and the mass percentage content of phosphorus is less than or equal to 0.010%, surplus
For iron;
The yield strength of above-mentioned high strength easy welding steel is more than 500 MPa, and has good weldability, is applied to normal welding
In technique, without being preheated, it is not in crackle to weld after natural cooling, as welding base metal after welding intensity also without bright
It is aobvious to decline.
The built-up welding raw material of grinding roller wearing layer includes the component of following mass fraction:12 parts of ferrochrome powder, 3.0 parts of ferromanganese powders, 2.0
Part molybdenum-iron powder, 0.7 part of ferro-niobium powder, 2 parts of Al-Mg alloy powders, 6 parts of ferrosilicon powders, 7 parts of ferro-boron powder, 5 parts of graphite powders and 25 parts of atomization iron
Powder;Wherein:Ferrochrome powder, ferromanganese powder, Al-Mg alloy powder, molybdenum-iron powder, ferro-niobium powder, ferrosilicon powder, ferro-boron powder, graphite powder and atomization iron
The element composition of powder is identical as specific embodiment 1.
The preparation method of above-mentioned high-bond wearing layer cement raw material grinding roller is also identical as specific embodiment 1.
It is wear-resisting according to the wearing layer for the cement raw material grinding roller that the thickness that above-mentioned preparation method prepares is 0.5 centimetre
Performance is as follows:
By the load of cement raw material grinding roller in high pressure double-roller extrusion mill, pressure between two rollers is 250 MPa, to blast-furnace cinder into
Row squeezes milling operation, and after working continuously 400 hours, wearing layer weight-loss ratio is less than or equal to 12%.
Specific embodiment 3
A kind of high-bond wearing layer cement raw material grinding roller that the present embodiment is provided, including grinding roller matrix and grinding roller wearing layer,
Grinding roller matrix is that high strength easy welds steel:The mass percentage content of manganese is 1.8%, and the mass percentage content of carbon is 0.08%,
The mass percentage content of silicon is 0.30%, and the mass percentage content of nickel is 1.0%, and the mass percentage content of chromium is 3.5%,
The mass percentage content of niobium is 0.04%, and the mass percentage content of vanadium is 0.04%, and the mass percentage content of titanium is
0.020%, the mass percentage content of sulphur is less than or equal to 0.005%, and the mass percentage content of phosphorus is less than or equal to 0.010%, surplus
For iron;
The yield strength of above-mentioned high strength easy welding steel is more than 500 MPa, and has good weldability, is applied to normal welding
In technique, without being preheated, it is not in crackle to weld after natural cooling, as welding base metal after welding intensity also without bright
It is aobvious to decline.
The built-up welding raw material of grinding roller wearing layer includes the component of following mass fraction:14 parts of ferrochrome powder, 3.5 parts of ferromanganese powders, 1.5
Part molybdenum-iron powder, 0.3 part of ferro-niobium powder, 4 parts of Al-Mg alloy powders, 4 parts of ferrosilicon powders, 8 parts of ferro-boron powder, 6 parts of graphite powders and 30 parts of atomization iron
Powder;Wherein:Ferrochrome powder, ferromanganese powder, Al-Mg alloy powder, molybdenum-iron powder, ferro-niobium powder, ferrosilicon powder, ferro-boron powder, graphite powder and atomization iron
The element composition of powder is identical as specific embodiment 1.
The preparation method of above-mentioned high-bond wearing layer cement raw material grinding roller is also identical as specific embodiment 1.
It is wear-resisting according to the wearing layer for the cement raw material grinding roller that the thickness that above-mentioned preparation method prepares is 0.5 centimetre
Performance is as follows:
By the load of cement raw material grinding roller in high pressure double-roller extrusion mill, pressure between two rollers is 250 MPa, to blast-furnace cinder into
Row squeezes milling operation, and after working continuously 400 hours, wearing layer weight-loss ratio is less than or equal to 14%.
Above to the present invention better embodiment illustrated, certainly, the present invention can also use with it is above-mentioned
The different form of embodiment, those skilled in the art under the premise of without prejudice to spirit of that invention made by it is equivalent
Transformation or corresponding change, should all belong to the scope of protection of the present invention interior.
Claims (1)
1. a kind of high strength easy welds grinding roller basis material, which is characterized in that including following components:The mass percentage content of manganese
It is 1.5%~1.8%, the mass percentage content of carbon is 0.05%~0.08%, the mass percentage content of silicon is 0.10%~
0.30%, the mass percentage content of nickel is 1.0%~2.5%, and the mass percentage content of chromium is 3.5%~4.0%, the quality of niobium
Degree is 0.02%~0.04%, and the mass percentage content of vanadium is 0.04%~0.06%, the mass percentage content of titanium
It is 0.010%~0.020%, the mass percentage content of sulphur is less than or equal to 0.005%, and the mass percentage content of phosphorus is less than or equal to
0.010%, surplus is iron.
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CN201810840823.3A CN108588572A (en) | 2018-07-27 | 2018-07-27 | A kind of high strength easy welding grinding roller basis material |
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CN201810840823.3A CN108588572A (en) | 2018-07-27 | 2018-07-27 | A kind of high strength easy welding grinding roller basis material |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103074548A (en) * | 2013-01-24 | 2013-05-01 | 宝山钢铁股份有限公司 | High-anticorrosion high-strength Al-containing weather-proof steel plate and manufacturing method thereof |
CN103146997A (en) * | 2013-03-28 | 2013-06-12 | 宝山钢铁股份有限公司 | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
US20130284319A1 (en) * | 2012-04-27 | 2013-10-31 | Paul M. Novotny | High Strength, High Toughness Steel Alloy |
CN105339132A (en) * | 2013-11-08 | 2016-02-17 | 新日铁住金株式会社 | Method for producing weld joint |
-
2018
- 2018-07-27 CN CN201810840823.3A patent/CN108588572A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130284319A1 (en) * | 2012-04-27 | 2013-10-31 | Paul M. Novotny | High Strength, High Toughness Steel Alloy |
CN103074548A (en) * | 2013-01-24 | 2013-05-01 | 宝山钢铁股份有限公司 | High-anticorrosion high-strength Al-containing weather-proof steel plate and manufacturing method thereof |
CN103146997A (en) * | 2013-03-28 | 2013-06-12 | 宝山钢铁股份有限公司 | Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
CN105339132A (en) * | 2013-11-08 | 2016-02-17 | 新日铁住金株式会社 | Method for producing weld joint |
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