中国 GB/T20878-2007美国日本统一数字代号新牌号旧牌号ASTM A959-04JIS G4303-1998JIS G4311-1991S3021012Cr18Ni91Cr18Ni9S30200,302SUS302S3040806Cr19Ni100Cr18Ni9S30400,304SUS304SCr19Ni1000Cr19Ni10S30403,304LSUS304LS3160806Cr17Ni12Mo20Cr17Ni12Mo2S31600,316SUS316SCr17Ni12Mo200Cr17Ni14Mo2S31603,316LSUS316LS3216806Cr18Ni11Ti0Cr18Ni10TiS32100,321SUS321