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Triton Alloys

ASTM A403 316/316L Stainless Steel Flanges

Type 316 is a molybdenum steel possessing improved resistance to pitting by solutions containing chlorides and other halides.  In addition, it provides excellent elevated temperature tensile, creep and stress-rupture strengths.

Type 316 is more resistant to atmospheric and other mild environments than Type 304.  it is resistant to dilute solutions (i.e. 1-5%) of sulfuric acid up to 120°F.  However, in certain oxidizing acids, Type 316 is less resistant than Type 304.

316 is susceptible to carbide precipitation when exposed in the temperature range of 800° - 1500°F and therefore is susceptible to intergranular corrosion in the as-welded condition.  Annealing after welding will restore corrosion resistance.

SS 316/316L Specification

ASTM

A312, A376, A358, A269,

A249, A403, A182, A351

ASME

SA312, SA376, SA358, SA269,

SA249,SA403, SA182, SA351

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