Steel coil description GradeSpecification StandardUse scopeCommon carbon steel plateQ235A/B/C/D, Q255A/B/, Q275A/BT: 6-120mm W: 1400-4100mm L: 6-12m GB/T3274-2007Steel structure, city buiding, mechanical productionLow alloy steelplateQ345A/B/C/D/E,Q390A/B/C/D/E,Q420A/B/C/D/EQ460D/ET: 6-120mm W: 1400-4100mm L: 6-12mGB/T3274-2007Steel structure, city buiding, mechanical productionFine carbon structuresteel plate10-55#,20Mn,50MnT: 6-120mm W: 1400-4100mm L: 6-12mGB711-88Heavy vehicle, mechanical production, military productionBoiler steelplate20R,20g, Q245r,16Mn,16Mng, Q345RT: 6-120mm W: 1400-4100mm L: 6-12mASTM, GB713Boiler productionPressure vessel steel plateA285Gr.A A285Gr.B A285Gr.C A516Gr.55 A516Gr.65 A516Gr.70A515Gr.60 A515Gr.65A515Gr.70T: 6-120mm W: 1400-4100mm L: 6-12mASTM A285/A285MASTM A515/A515MASTM A516/A516MPressure vessel productionsteel plate for engineering machineryKQ450,HJ58T: 6-120mm W: 1400-4100mm L: 6-12mCCS, DNV, ABS, LR,BV, NK, RINA, KRShipping for ocean, offering and fresh water production of maintain