1019美国碳素钢， 1020碳素结构钢

（美国）碳素钢：1005 1006 1008 1010 1011 1012 1013 1015 1016 1017 1018 1019 1020 1021 1022 1023 1025 1026 1029 1030 1034 1035 1037 1038 1039 1040 1042 1043 1044 1045 1046 1049 1050 1053 1055 1059 1060 1064 1065 1069 1070 1071 1074 1075 1078 1080 1084 1086 1090 1095 G10050 G10060 G10080 G10100 G10110 G10120 G10130 G10150 G10160 G10170 G10180 G10190 G10200 G10210 G10220 G10230 G10250 G10260 G10290 G10300 G10340 G10350 G10370 G10380 G10390 G10400 G10420 G10430 G10440 G10450 G10460 G10490 G10500 G10530 G10550 G10590 G10600 G10640 G10650 G10690 G10700 G10740 G10750 G10780 G10800 G10840 G10860 G10900 G10950 M1008 M1010 M1012 M1015 M1017 M1020 M1023 M1025 M1031 M1044 G10080 G10100 G10120 G10150 G10170 G10200 G10230 G10250 G10310 G10440 碳锰结构钢棒材：1513 1518 1522 1524 1525 1526 21527 1536 1541 1547 1548 1551 1552 1561 1566 1572 G15130 G15220 G15240 G15250 G15260 G15270 G15360 G15410 G15470 G15480 G15520 G15510 G15610 G15660 G15720 低合金高强度钢：K11510 K12010 K12810 K02703 K11430 K12043 K11538 K11552 K11567 K11541 K12040 K12032 K12044 K12600 K12700 K01802 K01803 K12000 K02003 K12202 K12249 K11509 K11852