USA UNS S34565
Corresponding Standard ASTM A376/A376M-2019
Seamless Austenitic Steel Pipe for High-Temperature Service
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N Nb
Minimum Value - - 5 - - 23 16 4 0.04 -
Maximum Value 0.03 1 7 0.03 0.01 25 18 5 0.06 0.1
Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
≥790 ≥415 (Longitudinal 35, Transverse 30), min
1 Approximate Comparison Table Austenitic Stainless Steel
China United States International Organization for Standardization European Standard
ISC UNS ISO Numerical Grade Numerical Grade
S34553 S34565 X2CrNiMnMoN25-18-6-5 4565-345-65-I 1.4565
2 Approximate Comparison Table Austenitic Stainless Steel
United States European Standard
UNS EN Numerical Grade
S34565 X2CrNiMnMoN25-18-6-5 1.4565

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