Grade SM-27
USA UNS S44627
Corresponding Standard SAE J405-1998
(R)Chemical Composition of SAE Wrought Stainless Steels
Classification Ferritic Stainless Steel
SM-27 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N Nb
Minimum Value - - - - - 25 - - 0.75 - 0.05
Maximum Value 0.01 0.4 0.4 0.02 0.02 27.5 0.5 0.2 1.5 0.015 0.2
New and Old Grade Replacement List
Corresponding Standard Grade
SAE J405-1998
Grade
USA UNS
SAE J405-2018
USA UNS
ASTM
Approximate Comparison Table Ferritic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS UNS ISO Numerical Grade Numerical Grade
S12791 SUSXM27 S44627 X1CrMo26-1 4131-446-92-C (1.4131)
SM-27 Corresponding Standards(Same grade name, different standards)

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