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Standard ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167,EN10088-2-2005,etc Material 201, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S 309S, 410, 410S,420, 430, 431, 440A Surface 2B...