03Х16Н15М3

Stainless Steel

03Х16Н15М3

GOST (Russia) steel grade 03Х16Н15М3

Chemical Composition (%)

C0.08
SI1
MN2
CR16
NI15
MO3
P0.035
S0.03

Applications

Russian state standard (GOST) steel grade.

Available Forms

Bar, plate, sheet, tube, forgings, strip, wire

Uses

Austenitic stainless steel with excellent corrosion resistance, formability and weldability; non-magnetic in annealed condition. 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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