GB9948 Seamless Steel Tube for Petroleum Cracking

Seamless Ferrite and Austenitic Alloy Steel Boiler Super heater and Heat Exchanger Tubes, etc.
Standard: GB/T3091 – 2001 , BS1387 – 1985 , DIN EN10025, DIN2440, EN10219 , JIS G3444:2004 , ASTM A53 , ASTM A500, API 5L .
Steel Grade: SA 179, SA 192
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70

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.
Third party inspection: SGS, BV, Lloyds etc.