06Cr23Ni13

Stainless Steel

06Cr23Ni13

High Cr-Ni heat-resisting austenitic. (GB/T 20878; equiv ASTM 309S / EN 1.4833 / JIS SUS309S). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.08
CR22
NI12

Mechanical Properties

Tensile:≥515 MPa;Yield:≥205 MPa;Elong:≥40%

Chinese Standard

T 20878 06Cr23Ni13

Equivalent Standards

ASTM 309S

Equivalent Grades

EN 1.4833 / JIS SUS309S

Applications

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Available Forms

Bar"

Uses

Austenitic stainless steel with excellent corrosion resistance, formability and weldability; non-magnetic in annealed condition. High nickel (≈13.5%) stabilises the austenite and improves toughness and pitting resistance. Used in food processing, chemical plant, architecture, heat exchangers, kitchenware and medical devices.

Heat Treatment

Solution anneal 1010–1150 °C followed by rapid water quench to retain austenite; not hardenable by heat treatment. Sensitization avoided by low carbon or stabilizers (Ti/Nb).

Precautions

Weld with low-carbon or stabilized filler (e.g., 316L, 347) to avoid sensitization; passivate after fabrication. Not hardenable, but work-hardens rapidly — use sharp tools and rigid setups. Avoid chloride contact for 304 in warm service; specify 316/317 for marine or aggressive media.

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