LITERATURE
SPECIFICATIONS
UNS: S42000
W. Nr./EN: 1.4021
AMS: 5621, QQ-S763
ASTM: A276, A484
FEATURES
- High carbon variant of 410
- Higher achievable strength and hardness compared to 410
- High wear resistance and edge retention properties
APPLICATIONS
- Industrial Chains
- Bearings
- Surgical Instruments
- Pumps & Valves
- Plastic Injection Molds & Dies
- Cutlery
420
420 is essentially type 410 with higher carbon, and like 410, it is a 12% chromium stainless steel. After heat treatment, because of its higher carbon levels, 420 can achieve higher strength and hardness levels than 410. This results in better wear resistance and edge retention properties.
FORMS
MARKETS & INDUSTRIES
