CN105296864A - High-speed steel containing carbon - Google Patents
High-speed steel containing carbon Download PDFInfo
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- CN105296864A CN105296864A CN201510775023.4A CN201510775023A CN105296864A CN 105296864 A CN105296864 A CN 105296864A CN 201510775023 A CN201510775023 A CN 201510775023A CN 105296864 A CN105296864 A CN 105296864A
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- speed steel
- massfraction
- carbon
- vanadium
- tungsten
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Abstract
The invention provides high-speed steel containing carbon. The high-speed steel containing carbon comprises carbon, tungsten, Mo, chromium and vanadium and includes, by mass, 0.7%-0.8% of carbon, 17.5%-19% of tungsten, smaller than or equal to 0.3% of Mo, 3.8%-4.4% of chromium, 1%-4% of vanadium and the balance iron, Al and Co. During quenching, the high-speed steel is heated to the temperature between 550 DEG C and 570 DEG C, heat preservation is conducted for 2 h, and intergranular precipitation is obtained; and the high-speed steel is heated to the temperature between 1100 DEG C and 1300 DEG C, and austenite even crystal grains are obtained. The high-speed steel is high in rigidity and toughness, surface particles are even and fine, and a high-quality and high-speed turning tool can be obtained.
Description
Technical field
The present invention relates to a kind of carbon containing rapid steel, belong to field of mechanical technique.
Background technology
Existing rapid steel uses as lathe tool, drill bit etc. needs high surface hardness, high tenacity, surface particles even, as high quality lathe tool, is badly in need of a kind of method obtaining this rapid steel.
Summary of the invention
The invention provides a kind of carbon containing rapid steel, hardness toughness is all higher, and surface particles uniform and smooth, high quality High Speed Steel Lathe Tool can be obtained.
For solving above technical problem, the invention provides following technical scheme: a kind of carbon containing rapid steel, comprise carbon, tungsten, Mo, chromium, vanadium, the massfraction of described carbon is 0.7%-0.8%, the massfraction of tungsten is that the massfraction of 17.5%-19%, Mo is less than or equal to 0.3%, and the massfraction of chromium is 3.8%-4.4%, the quality of vanadium divides 1%-1.4%, and all the other are ferro element and Al and Co; When quenching, by the heating temperatures of rapid steel between 550 DEG C-570 DEG C, insulation 2h obtains intergranular precipitation and separates out; Rapid steel is being heated between 1100 DEG C-1300 DEG C, is obtaining the uniform crystal grain of austenite.
This rapid steel that the present invention relates to, hardness toughness is all higher, and surface particles uniform and smooth, high quality High Speed Steel Lathe Tool can be obtained.
Embodiment
A kind of carbon containing rapid steel, comprise carbon, tungsten, Mo, chromium, vanadium, the massfraction of described carbon is 0.7%-0.8%, the massfraction of tungsten is 17.5%-19%, the massfraction of Mo is less than or equal to 0.3%, the massfraction of chromium is 3.8%-4.4%, the massfraction 1%-1.4% of vanadium, and all the other are ferro element and Al and Co; When quenching, by the heating temperatures of rapid steel between 550 DEG C-570 DEG C, insulation 2h obtains intergranular precipitation and separates out; Rapid steel is being heated between 1100 DEG C-1300 DEG C, is obtaining the uniform crystal grain of austenite.
This rapid steel that the present invention relates to, hardness toughness is all higher, and surface particles uniform and smooth, high quality High Speed Steel Lathe Tool can be obtained.
Claims (1)
1. a carbon containing rapid steel, it is characterized in that, comprise carbon, tungsten, Mo, chromium, vanadium, the massfraction of described carbon is 0.7%-0.8%, the massfraction of tungsten is that the massfraction of 17.5%-19%, Mo is less than or equal to 0.3%, and the massfraction of chromium is 3.8%-4.4%, the massfraction 1%-1.4% of vanadium, all the other are ferro element and Al and Co; When quenching, by the heating temperatures of rapid steel between 550 DEG C-570 DEG C, insulation 2h obtains intergranular precipitation and separates out; Rapid steel is being heated between 1100 DEG C-1300 DEG C, is obtaining the uniform crystal grain of austenite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510775023.4A CN105296864A (en) | 2015-11-15 | 2015-11-15 | High-speed steel containing carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510775023.4A CN105296864A (en) | 2015-11-15 | 2015-11-15 | High-speed steel containing carbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105296864A true CN105296864A (en) | 2016-02-03 |
Family
ID=55194674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510775023.4A Pending CN105296864A (en) | 2015-11-15 | 2015-11-15 | High-speed steel containing carbon |
Country Status (1)
| Country | Link |
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| CN (1) | CN105296864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639150A (en) * | 2018-08-31 | 2021-04-09 | 霍加纳斯股份有限公司 | Modified high speed steel particles, powder metallurgy process using same, and sintered parts therefrom |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008174820A (en) * | 2007-01-22 | 2008-07-31 | Hitachi Metals Ltd | Method for producing intermediate material of tool steel, and method for producing tool steel |
| CN102534372A (en) * | 2012-01-13 | 2012-07-04 | 北京科技大学 | Preparation method of P110-grade expansion tube for exploiting petroleum and gas |
| CN104593573A (en) * | 2015-02-28 | 2015-05-06 | 南京工程学院 | Combined thermomechanical treatment strengthening method for efficiently improving strength and toughness of non-quenched and tempered steel |
-
2015
- 2015-11-15 CN CN201510775023.4A patent/CN105296864A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008174820A (en) * | 2007-01-22 | 2008-07-31 | Hitachi Metals Ltd | Method for producing intermediate material of tool steel, and method for producing tool steel |
| CN102534372A (en) * | 2012-01-13 | 2012-07-04 | 北京科技大学 | Preparation method of P110-grade expansion tube for exploiting petroleum and gas |
| CN104593573A (en) * | 2015-02-28 | 2015-05-06 | 南京工程学院 | Combined thermomechanical treatment strengthening method for efficiently improving strength and toughness of non-quenched and tempered steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639150A (en) * | 2018-08-31 | 2021-04-09 | 霍加纳斯股份有限公司 | Modified high speed steel particles, powder metallurgy process using same, and sintered parts therefrom |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160203 |
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| WD01 | Invention patent application deemed withdrawn after publication |