Grade WP316H
USA UNS S31609
AISI
American Iron and Steel Institute
316H
Corresponding Standard ASTM A403/A403M-2022
Wrought Austenitic Stainless Steel Piping Fittings
Classification Austenitic Stainless Steel
WP316H Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.04 - - - - 16 10 2
Maximum Value 0.1 1 2 0.045 0.03 18 14 3
WP316H Mechanical Properties
condition Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Pipe Fittings ≥515 ≥205 Standard round specimen, or small specimen, or strip specimen
L0=4D
long: ≥28
tr: ≥20
Approximate Comparison Table
China United States European Standard
GB ISC ASTM/AISI UNS EN Numerical Grade
07Cr17Ni12Mo2
(1Cr17Ni12Mo2)
S31609 316H S31609 X3CrNiMo 17-13-3 1.4436

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