1.Outer diameter: 1/2"-68"
2.Wall Thickness:SCH20,SCH40,STD,XS,SCH80,SCH160
3.Standards: ASTM-A53A, BS1387-85, JIS-G3444, GB/T3091-2001 ,API 5L
4.Packing: as per customers' requests
5.Application: Crude oil pipelines,Natural gas pipelines,Water supply lines,Foundation piles, Industrial pipeline networks,Steel constructures,etc