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USA UNS S40500
AISI
American Iron and Steel Institute		 405
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Ferritic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Al
Minimum Value - - - - - 11.5 - 0.1
Maximum Value 0.08 1 1 0.04 0.03 14.5 0.5 0.3
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade SS BS EN/BS
06Cr13Al S11348 405 SUS 405 STS 405 405 S40500 X6CrAl 13 X6CrAl 13
(X7CrAl 13) 		1.4002 Z6CA 13 X6CrAl 13 1.4002 2302 405S17
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr13Al
(0Cr13Al) 		S11348 405 SUS 405 STR 405 405 S40500 X6CrAl 13
2
ISO 683-13-1986 		X6CrAl 13
(X7CrAl 13) 		1.4002 Z6CA 13 X6CrAl 13 1.4002 1Х20Ю 2302 405S17

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