316L Stainless

UNS S31603 stainless
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Low-carbon austenitic stainless with molybdenum for improved pitting and crevice corrosion resistance. The most widely used corrosion-resistant alloy in chemical, marine, and medical applications.

Applicable Standards

  • ASTM A276
  • ASTM A312
  • EN 1.4404
  • UNS S31603

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Fe 60.0 72.0 ~66.0
Cr 16.0 18.0 ~17.0
Ni 10.0 14.0 ~12.0
Mo 2.0 3.0 ~2.5
Mn — 2.0 ~1.0
C — 0.03 ~0.01
Fe 60.0–72.0% Cr 16.0–18.0% Ni 10.0–14.0% Mo 2.0–3.0% Mn 0.0–2.0% C 0.0–0.03%

Typical Applications

  • Chemical plant
  • Marine hardware
  • Surgical instruments
  • Food processing
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