碳素結(jié)構(gòu)鋼 SM9CK SM15CK SM20CK SM10C SM12C SM15C SM17C SM20C SM22C SM25C SM28C SM30C SM33C SM35C SM38C SM40C SM43C SM45C SM48C SM50C SM53C SM55C SM58C SM9CK SM15CK SM20CK
合金結(jié)構(gòu)鋼 SCr415 SCr420 SCr 430 SCr435 SCr440 SCr445 SNC236 SNC415 SNC631 SNC815 SNC836 SNCM220 SNCM240 SNCM415 SNCM420 SNCM431 SNCM439 SNCM447 SNCM616 SNCM625 SNCM630 SNCM815 SCM415 SCM418 SCM420 SCM421 SCM430 SCM432 SCM435 SCM440 SCM445 SCM822 SMn420 SMn433 SMn438 SMn443 SMnC420 SMnC443 SACM645
淬透性結(jié)構(gòu)鋼 SCr415H SCr420H SCr430H SCr435H SCr440H SNC415H SNC631H