12Cr1MoVSMA490CP 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 SMn420 SMn433 SMn438 SMn443 SMnC420 SMnC443 SCr415 SCr420 SCr430 SCr435 SCr440 SCr445 SNC236 SNC415 SNC631 SNC815 SNC836 SNCM220 SNCM240