标准名称：汽车结构钢

材质/牌号：SAPH440

产 地 ：宝钢

执行标准：Q/BQB 310-2009 (参考JIS G3113 )

化学成分（熔炼分析）%

C : ≤0.21

Si : ≤0.30

Mn : ≤1.50

P : ≤0.030

S : ≤0.025

Alt ：≥0.01

15MNV15CR SAE 5115523M15 SCR415 15CR 320CR SAE 5120527A19 SCR420 20CR4 30CR SAE 5130530A30 SCR430 28cr4 35CR SAE 5132530A36 SCR430H 34CR4 40CR SAE 5140520M40 SCR440 41CR4 45CR SAE 5145 5147 SCR445534A99 38CRSI 12CRMO 13CRMO44 1.7335 SAE4119 12CRMOV 15CRMO 16CRMO44 15CRMO5 1.7262 20CRMO SAE 4118 20CRMO44 20CRMO5 1.7264 25CRMO SAE 4125 25CRMO4 1.7218 SS2225 30CRMO SAE 4130 SCM420 30CD4 35CRMO SAE 4135 SCM435 34CRMO4 1.7220 42CRMO SAE 4140708A42 42CD4 42CRMO4 1.7225 12CR1MOV 13CRMOV42 25CR2MO1VA 25CR2MOVA 24CRMOV55 1.7733 20CRV SAE 6120 22CRV4 1.7510 40CRV SAE 6140 42CRV6 30CRMNSIA 50CRVA SAE 6150735A30 SUP10 50CRV4 1.8159 SS2230 15CRMN SAE5115 G51150 16MNCR5 1.7131 SS2511 20CRMN SAE 5152 5120 SMNC420 20MNCR5 1.7147 40CRNI SAE 3140640M40 SNCM236 40NICR6 1.5711 20CRNI3 SAE 3316 20CRNI14 30CRNI3 SAE 3435653M31 SNCM836 20MNMOB SAE 80B20 SCM421 38CRMOAL905M39 SACM645 41CRALMO7 40CRNIMO SAE 4340 SNCM439 36CRNIMO4 1.6511 40CRNIMOA SAE 4340871M40 40NICRMO22 30CRMNSI 20CRMNMO SCM421 SAE 4119 40CRMNMO SCM440 42CRMO4 1.7225 20CRMNTI 30MNCRTI4 1.8401 30CRMNTI 20CRNIMO SNCM220 SAE 8620