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zinc coating square pipe manufacturer
Standard: GB/T6728:2002 , ASTM A500 , JIS G3466 , EN10210 ,EN10219, ASTM A500 Gr. A.B.C.
Steel Grade: Q195-Q235 , Q345 , S235, S355, S235JR, S355JR.STK400/500 .
Packing: Hexagonal bundles of max. 3,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof package
Test:: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
high quality of q235b 30*30mm square tube
Hot rolled:W.T: 1.0-25mm
6-12m , according to customers' requirements
Other Surface Treatment
painted letter, embossed
ASTM A 53 / BS 1387-1985/ASTM A500/EN10219/EN10305
Q195/Q215/Q235/Q345,GR A, GR B, S235JR
In bundles or according to customers' requirements
For construction , structure,furniture, guardrail,fencing
Place of Origin