S20C低碳鋼 S20CK中碳鋼鋼板圓鋼卷料S22C
合金結(jié)構(gòu)鋼絲:12CrNi3A A42123 12Cr2Ni4A A43123 15CrA A20153 18Cr2Ni4WA A25183 20CrNi3A A42203 30CrMnSiA A24303 30CrMnSiA A24303 35CrMnSiA A24353 A45303 A33383 A20383 A20386 A50403 A23503 A20403 A52253 A34313 A14303 A14306 A51303 30CrMnSi2A 38CrMoAlA 38CrA 38CrE 40CrNiMoA 50CrVA 40CrA 30CrNi3A 25Cr2Ni4WA 30CrMnMoTiA 30SiMn2MoVA 30SiMn2MoVE 30CrNi2MoVA 55CrSiA 60Si2MnA 65Mn 70 T9A T8MnA
淬透性結(jié)構(gòu)鋼:45H U59455 45AH U59457 15CrH A20155 15CrAH A20157 20CrH 20CrAH A