优质碳素结构钢08F10F15F081015202530354045505560657075808515MN20MN25MN30MN35MN40NN45MN50MN60MN65MN70MN非调质机械结构钢(易切削非调质钢)YF35VYF40VYF35MNVYF40MNVYF45MNV(热锻用非调质钢)F45VF35MNVNF40MNV结构用合金钢无缝管40MN245MN227SIMN40MNB45MNB20MN2B20CR30CR35CR40CR45CR50CR38CRSI12CRMO15CRMO20CRMO35CRMO42CRMO12CRMOV12CRLMOV38CRMOAL50CRVA20CRMN20CRMNSI30CRMNSI35CRMNSIA20CRMNTI12CRNI212CRNI312CRNI440CRNIMOA45CRNIMOVA中国合金结构钢20MN230MN235MN240MN250MN220MNV27SIMN35SIMN42SIMN20SIMN2MOV25SIMN2MOV37SIMN2MOV40B45B50B40MNB45MNB20MNMOB15MNVB20MNVB40MNTIB20MNTIB25MNTIBRE15CR15CRA20CR30CR35CR40CR45CR50CR38CRSI12CRMO15CRMO20CRMO30CRMO30CRMOA35CRMO42CRMO12CRMOV35CRMOV12CRLMOV25CR2MOVA25CR2MOLVA38CRMOAL40MNB45MNB20MNMOB15MNVB20MNVB40MNVB20MNTIB25MNTIBRE15CR15CRA20CR30CR35CR40CR45CR50CR38CRSI12CRMO15CRMO20CRMO30CRMO30CRMOA35CRMO42CRMO12CRMOV35CRMOV12CRLMOV25CR2MOVA25CR2MOLVA38CRMOAL40CRV50CRVA15CRMN20CRMN40CRMN20CRMNSI25CRMNSI30CRMNSI30CRMNSIA35CRMNSIA20CRMNMO40CRMNMO20CRMNTI30CRMNTI20CRNI40CRNI45CRNI50CRNI12CRNI212CRNI320CRNI330CRNI337CRNI312CR2NI420CR2NI420CRNIMO40CRNIMOA18CRNIMNMOA45CRNIMOVA18CR2NI4WA25CR2NI4WA)