中國(guó)碳素結(jié)構(gòu)鋼；Q195 Q215 Q235 Q275 U11952 U12152 U12155 U12352 U12355 U12358 U12359 U12752 U12755 U12758 U12759 鋼板及鋼帶；CR260/450DP CR300/500DP CR340/590DP CR420/780DP CR550/980DP P175 205 P235 P200 P240 P210 P250 P290 碳素結(jié)構(gòu)鋼；U20080 U20100 U20150 U20082 U20102 U20152 U20202 U20252 U20302 U20352 U20402 U20452 U20502 U20552 U20602 U20652 U20702 U20752 U20802 U20852 U21152 U21202 U21252 U21302 U21352 U21402 U21452 U21502 U21602 U21652 U21702 08F 10F 15F 08 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 15Mn 20Mn 25Mn 30Mn 35Mn 40Mn 45Mn 50Mn 60Mn 65Mn 70Mn 盤(pán)條用鋼；C4D C7D C9D C10D C12D C15D C18D C20D C26D C32D C38D C42D C48D C50D C52D C56D C58D C60D C62D C66D C68D C70D C72D C76D C78D C80D C82D C86D C88D C92D U53042 U53072 U53092 U53102 U53112 U53152 U53182 U53202 U53262 U53322 U53382 U53422 U53482 U53502 U53522 U53562 U53582 U53602 U53662 U53682 U53702 U53722 U53762 U53782 U53802 U53822 U53862 U53882 U53922 C2D1 C3D1 C4D1C3D2 C5D2 C8D2 C10D2 C12D2 C15D2 C18D2 C20D2 C26D2 C32D2 C36D2 C38D2 C40D2 C42D2 C46D2 C48D2 C50D2 C52D2 C56D2 C58D2 C60D2 C62D2 C66D2 C68D2C70D2 C72D2 C76D2 C78D2 C80D2 C82D2 C86D2 C88D C92D2 C98D2 低合金高強(qiáng)度結(jié)構(gòu)鋼；Q295 Q345 Q390 Q420 Q460 合金結(jié)構(gòu)鋼；A00202 A00302 A00352 A00402 A00452 A00502 A1202 A10272 A10352 A10422 A14202 A14262 A14372 A70402 A70452 A70502 A71402 A71452 A712202 A73152 A73202 A73402 A74202 A74252 A20152 A20153 A20202 A20302 A20352 A20402 A20452 A20502 A21382 A30122 A30152 A30202 A30302 A30303 A30352 A30422 A31122 A31352 A31132 A31253 A31263 A33382 A23402 A23503 A22152 A22202 A22402 A24202 A24252 A24302 A24303 A24353 A34202 A34402 A26202 A26302 A40202 A40402 A40452 A40502 A41122 A42122 A42202 A42302 A50202 A50403 A42372 A43122 A43202 A50183 A51453 A52183 A52253 20Mn2 30Mn2 35Mn2 40Mn2 50Mn2 20MnV 27SiMn 35SiMn 42SiMn 20SiMn2MoV 25SiMn2MoV 37SiMn2MoV 40B 45B 50B 40MnB 45MnB 20MnMoB 15MnVB 20MnVB 40MnVB 20MnTiB 25MnTiBRE 15Cr 15CrA 20Cr 30Cr40Cr 45Cr 35Cr 50Cr 38crSi 12CrMo 15CrMo 20CrMo 30CrMo 30CrMoA 35CrMo 42CrMo 12CrMoV 35CrMoV 12Cr1MoV 25C