MOLYBDENUM-BEARING AUSTENITIC STAINLESS STEEL

SS316

SS316 is an austenitic chromium-nickel stainless steel containing molybdenum. The molybdenum improves resistance to pitting and crevice corrosion in chloride-containing environments compared with SS304.

ASTM specificationASTM A240Specified grade / UNS316 S31600
MATERIAL OVERVIEW

SS316 Information

SS316 is an austenitic chromium-nickel stainless steel containing molybdenum. The molybdenum improves resistance to pitting and crevice corrosion in chloride-containing environments compared with SS304.

Metallic winding and compatible ring components where service conditions are suitable.

Material specificationASTM A240
Specified grade / UNS316 S31600
CHEMICAL COMPOSITION

SS316 Chemical Composition

ASTM A240 · Grade-specific requirements

Chemical composition requirements, mass % — selected grades
Element / requirementValue
C %≤0.08
Mn %≤2.00
P %≤0.045
S %≤0.030
Si %≤0.75
Cr %16.0–18.0
Ni %10.0–14.0
Mo %2.00–3.00
N %≤0.10
Cu %-
Other elements-
MECHANICAL PROPERTIES

SS316 Mechanical Properties

ASTM A240 · Grade-specific requirements

Mechanical test requirements — selected grades
Tensile min (MPa)Yield min (MPa)Elongation min (%)Hardness max
51520540≤217 HBW
SPECIFICATION REFERENCE

ASTM A240 Grade Reference

316 S31600

The chemical and mechanical tables on this page use the ASTM A240 requirements for this grade, including the product conditions listed in the standard overview.

View the ASTM A240 comparison tables

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