Out Diameter: 325-1420mm (14 -60)
Wall Thickness: 8-40mm
Length: 3-13m
Standards: API 5L, ASTM A672, ASTM A53, SY/T5768 -2006, GB/T3091 -2008, GB/T9711 -1
Steel Grades: Q235, Q345, L245, L290, A53, S235, S275, S355, GR.B/X42/X46/X56, A672 B60 CL22
Packing: in bulk due to big sizes
Surface Treatment: anti-rust black painting, anti-corrosion treatment (FBE, 3PE, 2PE)
TPI ( Third Party Inspection): SGS, BV, MOODY, CCIC
Applications: liquid shipping like oil, water and fuel, building and constructions, chemical vegetation, power station, as well as foreign drill system.
