Grade A249 TP316H
USA UNS S31609
Corresponding Standard ASTM A249/A249M-2024(a)
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Classification Austenitic Stainless Steel
A249 TP316H 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
A249 TP316H Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥515 ≥205 ≥35 HRB
≤90
Approximate Comparison Table Austenitic Stainless Steel
China United States European Standard
GB ISC ASTM/AISI UNS EN Numerical Grade
07Cr17Ni12Mo2
(1Cr17Ni12Mo2)
S31609 316H S31609 X3CrNiMo 17-13-3 1.4436
A249TP316H Corresponding Standards(Same grade name, different standards)

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