416
Stainless Steel416
Free-machining martensitic stainless steel. (ASTM A582; equiv ASTM 416 / EN 1.4005 / JIS SUS416). Nominal values—confirm mill certificate.
Chemical Composition (%)
| C | 0.15 |
|---|---|
| CR | 12 |
| S | 0.15 |
Mechanical Properties
Tensile:≥480 MPa;Yield:≥275 MPa
Chinese Standard
ASTM A582 416
Equivalent Standards
ASTM 416
Applications
易切削马氏体。,Bar
Available Forms
Martensitic stainless steel combining moderate corrosion resistance with high strength and hardness after heat treatment. Used for cutlery, surgical instruments, turbine blades, valves, pumps, fasteners and bearings in mildly corrosive environments.
Uses
Annealing/quench from 980–1050 °C (oil or air) then temper 150–650 °C; lower temper gives higher hardness, higher temper improves toughness.
Heat Treatment
Preheat and post-weld heat treat to avoid hydrogen cracking; soft anneal before heavy machining. Lower corrosion resistance than austenitic grades — not for strong chlorides.
Precautions
EN 1.4005 / JIS SUS416
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