Standard:
API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9700.1
Steel Grade:
API SPEC 5L: B, X42, X46, X52, X56, X60, X65
API SPEC 5CT: J55, K55, N80, L80-1
ASTM A53: A, B, C
GB/T9700.1:L242、L290、L320、L360、L390、L415、L450
Outer Diamter: 219.1mm - 3048mm (8" - 120")
Wall Thickness: 6 mm - 40mm
Length: 6m-100m
End:plain ends beveled ends flange ends
Surface: Bare, Black,Lightly oiled, Hot dip galvanized,, Varnish coating/Anti rust oil, Protective Coatings, 3PE
Packing:Nude, Plastic/steel plugs in both ends, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps
http://www.lefinsteelpipe.com