china supplier schedule 40 seamless carbon steel pipe

Standard: GB/T3091 – 2001 , BS1387 – 1985 , DIN EN10025, DIN2440, EN10219 , 
JIS G3444:2004 , ASTM A53 , ASTM A500, API 5L .

Steel Grade: Q235, Q345 ,S235JR,S275JR, S355,S355JR,S355J2H, STK400 ,STK50

End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,

Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish 
coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)

Packing:Plastic plugs in both ends with several steel strips, Two tags on each bundle, 
Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.

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.

Technical parameters