冶煉工藝穩(wěn)定，淬透性好，碳氮共滲工藝性能良好，熱處理后的變形量小，無回火脆性，加工制造性能和焊接性能均良好。要求具有較高的屈服強(qiáng)度、抗拉強(qiáng)度和疲勞強(qiáng)度，還有足夠的塑性和韌性。良好的加工性，加工變形微小，耐磨性良好，抗疲勞性能相當(dāng)好。 用于軸類、活塞類零配件、汽車、飛機(jī)各種特殊耐磨零配件等。 合結(jié)鋼45H 45AH 15CrH 15CrAH 20CrH 20CrAH 20CrLH 20CrLAH 40CrH U59455 U59457 A20155 A20157 A20205 A20207 A20215 A20217 A20405 40CrAH 45CrH 45CrAH 15CrMoH 15CrMoAH 20CrMoH 20CrMoAH 22CrMoH 22CrMoAH 42CrMoH 42CrMoAH 16CrMnH 16CrMnAH 20CrMnH 20CrMnAH 15CrMnBH 15CrMnBAH 17CrMnBH 17CrMnBAH 40MnBAH 40MnBH 45MnBH 45MnBAH 20MnVBH 20MnVBAH 20MnTiBH 20MnTiBAH 20CrMnMoH 20CrMnMoAH 20CrMnTiH 20CrMnTiAH 20CrNi3H 20CrNi3AH 12Cr2Ni4H 12Cr2Ni4AH 20CrNiMoH A20407 A20455 A20457 A30155 A30157 A30205 A30207 A30225 A30227 A30425 A30427 A22165 A22167 A22205 A22207 A25155 A25157 A25175 A25177 A71407 A71405 A71455 A71457 A73205 A73207 A74205 A74207 A34205 A34207 A26205 A26207 A42205 A42207 A43125 A43127 A50205 20CrNiMoAH 20CrNi2MoH 20CrNi2MoAH A50207 A50215 A50217 55Ti 60Ti 70Ti Y12 Y12Pb Y15 Y15Pb Y20 Y30 Y35 Y40MnY45Ca U71122 U72122 U71152 U72152 U70202 U70302 U70352 L20409 U73452 C10E C10R C15E C15R XC10 XC18 C16E C16R 17Cr3 17CrS3 28Cr4 28CrS4 16MnCr5 16MnCrS5 16MnCrB5 20MnCr5 20MnCrS5 10NiCr5-4 15NiCr13 16NiCr4 16NiCrS4 18NiCr5-4 16MC5 20MC5 16NCD13 20MoCr3 20MoCrS3 20MoCr4 20MoCrS4 17CrNi6-6 18CrMo4 18CrMoS4 22CrMoS3-5 18CrNiMo7-6 14NiCrMo13-4 17NiCrMo6-4 17NiCrMoS6-4 20NiCrMo2-2 20NiCrMoS2-2 6 18CD4 D6 20NCD2 20NiCrMoS6-4 24CrMo13-6 31CrMo12 31CrMoV9 33CrMoV12-9 32CrAlMo7-10 34CrAlMo5-10 41CrAlMo7-10 34CrAlNi7 C22E C22R C35 C35E C35R C40 C40E C40R C45 C45E C45R C50E C50R C55 C55E C55R C60 C60E C60R