SUS429

Stainless Steel

SUS429

Heat-resisting ferritic stainless. (JIS G4303; equiv ASTM 429 / JIS SUS429). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.12
CR14

Mechanical Properties

Tensile:≥450 MPa;Yield:≥205 MPa

Chinese Standard

JIS G4303 SUS429

Equivalent Standards

ASTM 429

Applications

耐热铁素体。,Sheet

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

JIS SUS429

Comments 0