SM20C SM22C SM25C SM28C SM30C SM33C SM35C SM38C SM40C SM43C SM45C SM48C SM50C SM53C SM55C SM58C SM10CSM12C SM15C SM17C SM20C SM22C SM25C SM28C SM30C SM33C SM35C SM38C SM40C SM43C SM45C SM48C SM50C SM53C SM55C SM58C SM55C SM58C SM9CK SM15CK SM20CK STKM11A STKM12A STKM12B STKM12C STKM13A STKM13B STKM13C STKM15ASTKM19A STKM19C STKM20A SCR420TK SCM415TK SCM418TK SCM420TK SCM430TK SCM435TK SCM440TK 保证淬透性结构钢SCR415H SCR420H SCR430H SCR435H SCR440H SNC415H SNC631H SNC815H SNCM220H SNCM420H SCM415H SCM418H SCM420H SCM435H SCM440H SCM445H SCM822H SMN420H SMN433H SMN438H SMN443H SMNC420H SMNC443H 合金结构钢SCR415 SCR420 SCR430 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 NSCM822 XMN420 SMN433 SMN438 SMN443 SMNC420 SMNC443 SACM645
