X14CrMoS17

Stainless Steel

X14CrMoS17

Specialty steel grade. ; equiv ASTM 430F / EN 1.4104 / JIS SUS430F). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.12
CR16
S0.15

Mechanical Properties

Tensile:≥450 MPa;Yield:≥205 MPa

Chinese Standard

DIN 17440 X14CrMoS17

Equivalent Standards

ASTM 430F

Applications

易切削铁素体。,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 1.4104 / JIS SUS430F

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