碳素鋼：ASTM1010 ASTM1011 ASTM1012 ASTM1013 ASTM1015 ASTM1016 ASTM1017 ASTM1019 ASTM1021 ASTM1023 ASTM1025 ASTM1026 ASTM1029 ASTM1030 ASTM1034 ASTM1035 ASTM1038 ASTM1039 ASTM1040 ASTM1043 ASTM1044 ASTM1045 ASTM1046 ASTM1049 ASTM1050 ASTM1055 ASTM1060 ASTM1064 ASTM1065 ASTM1070 冷墩鋼：SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K

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