JPH0448846B2 - - Google Patents
Info
- Publication number
- JPH0448846B2 JPH0448846B2 JP1610985A JP1610985A JPH0448846B2 JP H0448846 B2 JPH0448846 B2 JP H0448846B2 JP 1610985 A JP1610985 A JP 1610985A JP 1610985 A JP1610985 A JP 1610985A JP H0448846 B2 JPH0448846 B2 JP H0448846B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- delayed fracture
- temperature
- strength
- tensile strength
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- 230000003111 delayed effect Effects 0.000 claims description 37
- 229910000746 Structural steel Inorganic materials 0.000 claims description 12
- 238000005098 hot rolling Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 238000010791 quenching Methods 0.000 description 18
- 230000000171 quenching effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 238000005496 tempering Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 8
- 238000005204 segregation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003303 reheating Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000712 Boron steel Inorganic materials 0.000 description 1
- 229910001240 Maraging steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610985A JPS61174327A (ja) | 1985-01-29 | 1985-01-29 | 耐遅れ破壊性に優れた機械構造用鋼の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1610985A JPS61174327A (ja) | 1985-01-29 | 1985-01-29 | 耐遅れ破壊性に優れた機械構造用鋼の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61174327A JPS61174327A (ja) | 1986-08-06 |
| JPH0448846B2 true JPH0448846B2 (no) | 1992-08-07 |
Family
ID=11907346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1610985A Granted JPS61174327A (ja) | 1985-01-29 | 1985-01-29 | 耐遅れ破壊性に優れた機械構造用鋼の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174327A (no) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263183A (ja) * | 1992-03-19 | 1993-10-12 | Sumitomo Metal Ind Ltd | 耐遅れ破壊性に優れた浸炭肌焼鋼 |
| CN114411045B (zh) * | 2022-01-25 | 2023-06-27 | 中天钢铁集团有限公司 | 一种汽车零部件用含b合金结构钢的生产方法 |
-
1985
- 1985-01-29 JP JP1610985A patent/JPS61174327A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61174327A (ja) | 1986-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |