USA UNS S13800
ASTM
Specification or Grade
XM-13
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Precipitation-Hardening Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N Al
Minimum Value - - - - - 12.3 7.5 2 - 0.9
Maximum Value 0.05 0.1 0.2 0.01 0.008 13.2 8.5 3 0.01 1.35
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).
Approximate Comparison Table Precipitation Hardening Stainless Steel
China United States International Organization for Standardization European Standard
GB ISC ASTM UNS ISO Numerical Grade EN Numerical Grade
04Cr13Ni8Mo2Al
GB/T 20878-2024
S51380 XM-13
ASTM A959
S13800 X3CrNiMoAl13-8-3
ISO 15510
4534-138-00-X X3CrNiMoAl13-8-3
EN 10088-1
1.4534

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