1.High strength low-alloy structural steels
   Dimension:H:6~120 W:1500~3600 L:6000~18000
   Grade:Q295 Q345 Q390 Q420 Q460
   Standards:GB/T1591---1994

 2.Structural steels for bridges
    Dimension:H:6~120 W:1500~3600 L:6000~18000
    Grade:Q235q Q345q Q370q Q420q
    Standards:GB/T714---2000

3.Hot-rolled steel plates for plastic moulds
   Dimension:H:6~120 W:1500~3600 L:6000~18000
   Grade:SM3Cr2Mo  SM3Cr3NiMo
   Standards:YB/T107---1997

4.Hull structural steels
  Dimension:H:6~40 W:1500~3600 L:6000~18000
  Grade:A B D E A32 D32 E32 A36 D36 E36
  Standards:GB712---2000 Rules of classification

5.Pipeline steels
   Dimension:H:6~40 W:1500~3600 L:6000~18000
   Grade:B X42 X46 X52 X56 X60 X65 X70 X80
   Standards:API spec5L---2004 43Version

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