JPS56169751A - Heat treated steel with low strain - Google Patents
Heat treated steel with low strainInfo
- Publication number
- JPS56169751A JPS56169751A JP7138580A JP7138580A JPS56169751A JP S56169751 A JPS56169751 A JP S56169751A JP 7138580 A JP7138580 A JP 7138580A JP 7138580 A JP7138580 A JP 7138580A JP S56169751 A JPS56169751 A JP S56169751A
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- curve
- heat treated
- treated steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Heat Treatment Of Steel (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
PURPOSE: To provide the steel having strain accompanying heat treatment being reduced and stabilzed, by containing each specific ratio of C, Si, Mn, Ni, Cr, Mo, Al and N and controlling the amounts of Al and N within a specific range.
CONSTITUTION: There is prepared steel comprising at least one element of 0.10W 0.50% C, 0.50% or less Si, 0.03W1.70 Mn, 5.00% or less Ni, 2.00% or less Cr and 1.00% or less Mo, further 0.015W0.050% Al and 0.010W0.030% N, and the remainder of Fe and ineviatable impurities. The controlled amounts of Al and N, which are within each of the above-mentioned range, are also within a range formed by two straight lines of plus 0.010% Al amount and of minus 0.020% Al amount to the chemical equivalent ratio Al/N=1.9253 (straight line A) of a compound AlN of Al and N in steel, and further are positioned in a temperature domain higher than the temperature of curve B that is one curve at T=1,273°CK of the deposition curves of AlN in austenite, concering the coarsening of crystal grains ; these curves are represented by equation log [Al%][N%]=-7,200/T+1,9253K.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7138580A JPS56169751A (en) | 1980-05-30 | 1980-05-30 | Heat treated steel with low strain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7138580A JPS56169751A (en) | 1980-05-30 | 1980-05-30 | Heat treated steel with low strain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56169751A true JPS56169751A (en) | 1981-12-26 |
| JPS641541B2 JPS641541B2 (en) | 1989-01-11 |
Family
ID=13458985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7138580A Granted JPS56169751A (en) | 1980-05-30 | 1980-05-30 | Heat treated steel with low strain |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56169751A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129756A (en) * | 1983-01-12 | 1984-07-26 | Sanyo Tokushu Seikou Kk | High-strength carburized and quenched steel for drive shaft cross pins |
| JPS59182952A (en) * | 1983-04-01 | 1984-10-17 | Daido Steel Co Ltd | Case hardening steel |
| JPS61117247A (en) * | 1985-11-01 | 1986-06-04 | Daido Steel Co Ltd | Parts for machine structural use |
| JPS63137145A (en) * | 1986-11-29 | 1988-06-09 | Nippon Steel Corp | Steel for carburizing |
| JPS6447838A (en) * | 1987-08-13 | 1989-02-22 | Nippon Steel Corp | Curburizing steel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675551A (en) * | 1979-11-22 | 1981-06-22 | Sanyo Tokushu Seikou Kk | Grain stabilized carburizing steel |
-
1980
- 1980-05-30 JP JP7138580A patent/JPS56169751A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675551A (en) * | 1979-11-22 | 1981-06-22 | Sanyo Tokushu Seikou Kk | Grain stabilized carburizing steel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129756A (en) * | 1983-01-12 | 1984-07-26 | Sanyo Tokushu Seikou Kk | High-strength carburized and quenched steel for drive shaft cross pins |
| JPS59182952A (en) * | 1983-04-01 | 1984-10-17 | Daido Steel Co Ltd | Case hardening steel |
| JPS61117247A (en) * | 1985-11-01 | 1986-06-04 | Daido Steel Co Ltd | Parts for machine structural use |
| JPS63137145A (en) * | 1986-11-29 | 1988-06-09 | Nippon Steel Corp | Steel for carburizing |
| JPS6447838A (en) * | 1987-08-13 | 1989-02-22 | Nippon Steel Corp | Curburizing steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641541B2 (en) | 1989-01-11 |
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