JPS5635756A - Precipitation hardening type hot working tool steel - Google Patents
Precipitation hardening type hot working tool steelInfo
- Publication number
- JPS5635756A JPS5635756A JP11086179A JP11086179A JPS5635756A JP S5635756 A JPS5635756 A JP S5635756A JP 11086179 A JP11086179 A JP 11086179A JP 11086179 A JP11086179 A JP 11086179A JP S5635756 A JPS5635756 A JP S5635756A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- working tool
- hot working
- type hot
- hardening type
- 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.)
- Pending
Links
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To obtaina precipitation hardening type hot working tool steel with high toughness and superior temper softening resistance by adding a little Nb or Zr to an Ni-Cr-Mo steel having a specified composition.
CONSTITUTION: This steel consists of 0.15W0.25% C, 0.1W2.0% Si, 0.1W2.0% Mn, 1.6W2.4% Ni, 1.5W2.9% Cr, 1.5W2.5% Mo, 0.1W0.8% V, 0.5W3.0% Cu, 0.5W2.0% Co, 0.01W0.05% Nb and/or Zr, and the balance Fe and inevitable impurities. By adding such a specified amount of V, Cu and Co an Ni-Cr-Mo steel, the toughghness, precipitation hardenability and temper softening resistance are improved. By further adding such a fixed amount of Nb and/or Zr to cause grain refining, the toughness is further enhanced, and the precipitation hardenability and temper softening resistance are raised remarkably.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11086179A JPS5635756A (en) | 1979-08-30 | 1979-08-30 | Precipitation hardening type hot working tool steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11086179A JPS5635756A (en) | 1979-08-30 | 1979-08-30 | Precipitation hardening type hot working tool steel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5635756A true JPS5635756A (en) | 1981-04-08 |
Family
ID=14546525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11086179A Pending JPS5635756A (en) | 1979-08-30 | 1979-08-30 | Precipitation hardening type hot working tool steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5635756A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575769A (en) * | 1984-04-20 | 1986-03-11 | Burroughs Corporation | Variable resolution scanning in line scan optical imaging systems |
JPS61139652A (en) * | 1984-12-10 | 1986-06-26 | Aichi Steel Works Ltd | Precipitation hardening type hot tool steel |
JP2008098135A (en) * | 2006-09-11 | 2008-04-24 | Metro Denki Kogyo Kk | Infrared heater |
-
1979
- 1979-08-30 JP JP11086179A patent/JPS5635756A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575769A (en) * | 1984-04-20 | 1986-03-11 | Burroughs Corporation | Variable resolution scanning in line scan optical imaging systems |
JPS61139652A (en) * | 1984-12-10 | 1986-06-26 | Aichi Steel Works Ltd | Precipitation hardening type hot tool steel |
JPH0587583B2 (en) * | 1984-12-10 | 1993-12-17 | Aichi Steel Works Ltd | |
JP2008098135A (en) * | 2006-09-11 | 2008-04-24 | Metro Denki Kogyo Kk | Infrared heater |
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