结构钢：45H 45AH 15CrH 15CrAH 20CrH 20CrAH 20Cr1H 20Cr1AH 40CrH 40CrAH 45CrH 45CrAH 15CrMoH 15CrMoAH 20CrMoH 20CrMoAH 22CrMoH 22CrMoAH 42CrMoH 42CrMoAH 16CrMnH 16CrMnAH 20CrMnH 20CrMnAH 15CrMnBH 15CrMnBAH17CrMnBH 17CrMnBAH 40MnBAH 40MnBH 45MnBH 45MnBAH 20MnVBH 20MnVBAH 20MnTiBH 20CrMnMoH 20CrMnMoAH 20CrMnTiH 20CrMnTiAh 20CrNi3H 20CrNi3AH 12Cr2Ni4H 12Cr2Ni4AH 20CrNiMoH 20CrNiMoAH 20CrNi2MoH 20CrNi2MoAH U59455 U59457 A20155 A20157 A20205 A20207 A20215 A20217 A20405 A20407 A20455 A20457 A30155 A30157 A30205 A30207 A30255 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 A50207 A50215 A50217
