| Specification | Product name: Spiral submerged arc welding steel pipe; Standard: API 5L, GB/T9711,; Grade: Q235,Q345,B,X42,X52,X60,X65,X70; application: As conveyer pipe in the fields of petroleum , heat, and natural gas, construction pipe, ground piling pipe; Outside diameter: 219-2420mm; Wall thickness: 5.00-30.00mm; Length: 6-20m; Technique: Double sides submerged arc welding steel pipe; Certificate: ISO9001:2008, API SPEC 5L; Package details: in bundles, case packing, or bulk pack; API 5L: Steel Grade; Max: |