316 Stainless Steel

UNS S31600 stainless
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Austenitic stainless steel with molybdenum addition for improved pitting and crevice corrosion resistance versus 304. The workhorse alloy for marine, pharmaceutical, and food processing environments.

Applicable Standards

  • ASTM A240
  • ASTM A276
  • ASTM A312
  • EN 1.4401

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Fe 60.0 75.0 ~67.5
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 — 0.08 ~0.04
Fe 60.0–75.0% Cr 16.0–18.0% Ni 10.0–14.0% Mo 2.0–3.0% Mn 0.0–2.0% C 0.0–0.08%

Typical Applications

  • Marine hardware and fittings
  • Pharmaceutical equipment
  • Food and beverage processing
  • Chemical handling equipment
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