316 / 316L Stainless Commercial Tubing

These grades of austenitic stainless steels are similar to 304 and 304L, but with the addition of molybdenum. The addition of molybdenum improves the alloys corrosion resistance, particularly with higher resistance to pitting and crevice corrosion in chloride environments. The austenitic structure allows excellent toughness, even down to cryogenic temperatures. These grades have excellent weld-ability, with or without the addition of filler metal.

Stock Size Range and Specifications:

Welded product

Seamless product

OD:
1/16" through 12"
Wall:
.005 through .500
OD:
1/16" through 2-3/4"
Wall:
.010 through .250
Specifications: ASTM A269, ASTM A249, ASTM A270, ASTM A554, ASME SA249, ASTM A778, ASTM A908
Specifications: ASTM A269, ASTM A213, ASME SA213
Typical Chemical Composition % (max values, unless noted)
Weight %CMnPSSiCrNiMo
316 .08 2.00 .045 .030 1.00 16.0-18.0 10.0-14.0 2.0-3.0
316L .030 2.00 .045 .030 1.00 16.0-18.0 10.0-14.0 2.0-3.0
Typical Mechanical Properties
GradeTensile
 UltimateYieldElongation
  KSI MPA KSI MPA %
316 75 515 30 205 35
316L 70 485 25 170 35
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