Seamless steel pipe: OD:1/4 inch-36 inch, wall thickness:1.25mm to 50mm ERW steel pipe: OD:1/8 inch to 24 inch, wall thickness:max 26.5mm LSAW steel pipe: OD:16 inch to 64 inch , wall thickness:max 65mm Spiral welded steel pipe: OD:219mm to 3120mm, wall thickness:3mm to 25mm Square & rectangle steel pipe: OD:1/8 inch-36 inch
