普通结构钢SS330 SS400 SS490 SS540 耐候钢 SMA400AW SMA400BW SMA400CW SMA400AP SMA400AP SMA400BP SMA400CP SMA490AW SMA490BW SMA490CW SMA490AP SMA490BP SMA490CP SMA570W SMA570P SPA-HP SPA-C SPA-H SPA-C 机械结构碳素钢 S10C S12C S15C S17C S20C S22C S25C S28C S30C S33C S35C S38C S40C S43C S45C S48C S50C S53C S55C S58C S09CK S15CK S20CK 合金结构钢SMn420 SMn433 SMn438 SMn443 SMnC420 SMnC443 SCr415 SCr420 SCr430 SCr435 SCr440 SCr445 SNC236 SNC415 SNC631 SNC815 SNC836 SNCM220 SNCM240 SNCM415 SNCM420 SNCM415 SNCM431 SNCM439 SNCM447 SNCM616 SNCM625 SNCM630 SNCM815 SCM415 SCM418 SCM420 SCM421 SCM430 SCM432 SCM440 SCM445 SCM882 SACM645 保证淬透性结构钢SMn420H SMn21H SMn433H SMn1H SMn438H SMn2H SMnC420H SMnC21H SMnC443H SMnC3H SCr415H SCr21H SCr420H SCr22H SCr430H SCr2H SCr435H SCr3H SCr440H SCr415H SNC415H SNC21H SNC631H SNC2H SNC815H SNC22H SNCM220H SNCM21H SNCM420H SNCM23H SCM415H SCM418H SCM420H SCM435H SCM440H SCM445H SCM822H 易切削钢SUM11 SUM12 SUM21 SUM22 SUM22L SUM23 SUM23L SUM24L SUM25 SUM31 SUM32 SUM41 SUM42 SUM43 冷镦钢和紧固件用钢 SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH45K SWRCH48K SWRCH50K 螺栓用钢 SNB5-1 SNB7-2 SNB16-3 SNB21-1~5 SNB22-1~5 SNB23-1~5 SNB24-1~5 弹簧钢和轴承钢SUP3 SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 SUJ1 SUJ2 SUJ3 SUJ4 SUJ5