JPH0447023B2 - - Google Patents
Info
- Publication number
- JPH0447023B2 JPH0447023B2 JP57123034A JP12303482A JPH0447023B2 JP H0447023 B2 JPH0447023 B2 JP H0447023B2 JP 57123034 A JP57123034 A JP 57123034A JP 12303482 A JP12303482 A JP 12303482A JP H0447023 B2 JPH0447023 B2 JP H0447023B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- hardness
- core
- soft
- effective
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000005121 nitriding Methods 0.000 claims description 23
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052745 lead Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 description 8
- 239000002436 steel type Substances 0.000 description 6
- 229910001563 bainite Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004901 spalling Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- -1 cyanide compound salt Chemical class 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12303482A JPS5916950A (ja) | 1982-07-16 | 1982-07-16 | 軟窒化用鋼 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12303482A JPS5916950A (ja) | 1982-07-16 | 1982-07-16 | 軟窒化用鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5916950A JPS5916950A (ja) | 1984-01-28 |
| JPH0447023B2 true JPH0447023B2 (fr) | 1992-07-31 |
Family
ID=14850569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12303482A Granted JPS5916950A (ja) | 1982-07-16 | 1982-07-16 | 軟窒化用鋼 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916950A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619555A (ja) * | 1984-06-25 | 1986-01-17 | Komatsu Ltd | 迅速軟窒化用鋼 |
| KR930010411B1 (ko) * | 1988-07-11 | 1993-10-23 | 니혼 세이코오 가부시끼가이샤 | 로울링 베어링(Rolling Bearing) |
| JP4752635B2 (ja) * | 2006-06-15 | 2011-08-17 | 住友金属工業株式会社 | 軟窒化部品の製造方法 |
| CN103834877B (zh) * | 2014-03-26 | 2015-11-18 | 武汉钢铁(集团)公司 | 一种薄板坯生产切割鞋模用钢及其制备方法 |
| AU2017342752B2 (en) * | 2016-10-13 | 2022-08-25 | Caterpillar Inc. | Nitrided track pin for track chain assembly of machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556456A (en) * | 1978-06-29 | 1980-01-17 | Daido Steel Co Ltd | Blank for surface hardened material having less heat treatment strain |
| JPS5871359A (ja) * | 1981-10-22 | 1983-04-28 | Sumitomo Metal Ind Ltd | 軟窒化用鋼 |
-
1982
- 1982-07-16 JP JP12303482A patent/JPS5916950A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556456A (en) * | 1978-06-29 | 1980-01-17 | Daido Steel Co Ltd | Blank for surface hardened material having less heat treatment strain |
| JPS5871359A (ja) * | 1981-10-22 | 1983-04-28 | Sumitomo Metal Ind Ltd | 軟窒化用鋼 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5916950A (ja) | 1984-01-28 |
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