碳素结构钢S09CK S10C S12C S15C S17C S20C S20CK S22C S25C S28C S30C S33S S35C S38C  S40C S43C S45C S48C S50C S53C S55C S58C 合金结构钢 SMn420 SMn433 SMn438 SMn443  SMnC443 SCr415 SCr420 SCr430 SCr440 SCr445 SCM415 SCM418 SCM420 SCM421 SCM425   SCM430 SCM432 SCM435 SCM440 SCM445 SCM822 SNC236 SNC415 SNC631 SNC815 SNC836  SNCM220 SNCM415 SNCM420 SNCM431 SNCM439 SNCM447 SNCM616 SNCM625 SNCM630 SNCM815  SACM645保证淬透性结构钢SMn420H SMn433H SMn438H SMn443H SMnC420H SMnC443H SCr415H  SCr420H SCr430H SCr435H SCr440H SCM415H SCM418H SCM420H SCM425H SCM435H SCM440H  SCM445H SCM822H SNC415H SNC631H SNC631H SNC815H SNCM220H SNCM420H 易切削钢 SUN21   SUM22 SUM22L SUM23 SUM23L SUM24L SUM25 SUM31 SUM32 SUM41 SUM42 SUM43 冷镦钢 SWRCH6R  SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A  SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K  SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K  SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH48K SWRCH50

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