Application
Steel tubes for structural purpose.
Production Standard,Grade，Steel No.
ASTM A500 GRADE A、B、C、D
EN10219-1 S235JRH/BS,S275JOH,S275J2H,S355JOH,S355J2H/QS JIS3466 STKR 400、STKR 490
GB/T3094 10#、20#、35#、45#
Delivery Condition
Cold draw Heat treatment
Inspections and tests performed
Chemical Composition Inspection, Mechanical Properties Test（Tensile Strength,Yield Strength,Elongation，Hardness), Surface and Dimension Test, physical dimension, reverse, convexity etc.
Surface treatment
Oil-dipping
Size Range
Square Shape: 90mm*90mm*(4-8)mm
Rectangular Shape: 90mm*60mm*(4-7)mm
Ellipse Shape: 90mm*30mm*(1.5-2.5)mm
Hexagon Shape: 95mm*(4-6)mm
Right-angle trapezoidal: 60mm*55mm*(1.5-2)mm
Inspections and tests performed
Chemical Composition Inspection, Mechanical Properties Test（Tensile Strength,Yield Strength,Elongation，Hardness), Surface and Dimension Test, physical dimension, reverse, convexity etc.
Surface treatment
Oil-dipping
Size Range
Square Shape: 90mm*90mm*(4-8)mm
Rectangular Shape: 90mm*60mm*(4-7)mm
Ellipse Shape: 90mm*30mm*(1.5-2.5)mm
Hexagon Shape: 95mm*(4-6)mm
Right-angle trapezoidal: 60mm*55mm*(1.5-2)mm
Welcome to order more. by E-mail:sales@sunnysteel.com | www.sunnysteel.com
Steel tubes for structural purpose.
Production Standard,Grade，Steel No.
ASTM A500 GRADE A、B、C、D
EN10219-1 S235JRH/BS,S275JOH,S275J2H,S355JOH,S355J2H/QS JIS3466 STKR 400、STKR 490
GB/T3094 10#、20#、35#、45#
Delivery Condition
Cold draw Heat treatment
Inspections and tests performed
Chemical Composition Inspection, Mechanical Properties Test（Tensile Strength,Yield Strength,Elongation，Hardness), Surface and Dimension Test, physical dimension, reverse, convexity etc.
Surface treatment
Oil-dipping
Size Range
Square Shape: 90mm*90mm*(4-8)mm
Rectangular Shape: 90mm*60mm*(4-7)mm
Ellipse Shape: 90mm*30mm*(1.5-2.5)mm
Hexagon Shape: 95mm*(4-6)mm
Right-angle trapezoidal: 60mm*55mm*(1.5-2)mm
Inspections and tests performed
Chemical Composition Inspection, Mechanical Properties Test（Tensile Strength,Yield Strength,Elongation，Hardness), Surface and Dimension Test, physical dimension, reverse, convexity etc.
Surface treatment
Oil-dipping
Size Range
Square Shape: 90mm*90mm*(4-8)mm
Rectangular Shape: 90mm*60mm*(4-7)mm
Ellipse Shape: 90mm*30mm*(1.5-2.5)mm
Hexagon Shape: 95mm*(4-6)mm
Right-angle trapezoidal: 60mm*55mm*(1.5-2)mm
Welcome to order more. by E-mail:sales@sunnysteel.com | www.sunnysteel.com