4140HT Alloy Steel
- 4140HT Alloy Steel is a chromium/molybdenum medium-carbon steel.
- 4140HT Alloy Steel offers medium to high hardenability and good fatigue properties.
- 4140HT Alloy Steel has a machinability rating of 50% 10 55% of a 1212 carbon steel.
- 4140HT Alloy Steel is sold in the pre-hardened condition BHN 262/321 Rc 266/343 with a higher surface hardness and lower center hardness.
- 4140HT Alloy Steel is capable of meeting ASTM-A322.
Typical Applications Chemical
- Base Plates
- Tool Holders
- Molds
- Support Plates
- Fixtures
- Punch Holders
Composition (Typical)
- Carbon: 0.42%
- Silicon: 0.30%
- Manganese: 1.00%
- Chromium: 1.00%
- Molybdenum: 1.20%