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Home Material ASTM A249/A249M-2018
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USA UNS S32654
Corresponding Standard ASTM A249/A249M-2018
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - 2 - - 24 21 0.3 7 0.45
Maximum Value 0.02 0.5 4 0.03 0.005 25 23 0.6 8 0.55
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Solutioning Temperature 1150℃ ≥750 ≥430 ≥35 HRB
≤100
Approximate Comparison Table Austenitic Stainless Steel
China United States International Organization for Standardization Germany European Standard
GB ISC Commercial Grade UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade
015Cr24Ni22Mo8Mn3CuN
654SMo 		S32652 654SMO S32654 X1CrNiMoCuN24-22-8 4652-326-54-I X1CrNiMoCuN24-22-8 1.4652 X1CrNiMoCuN24-22-8 1.4652

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