1.Product name:Hot rolled steel pipe 2.OD:20-219mm 3.THK:0.7-30mm ... ,GB/T3091-2001,etc.LengthAs per client’s requirementUsagePetrol, gas, water pipe, construction, structure, scaffold, chimney potProcessing techniqueThreading, coupling, necking, punching . ... do special orders as your requestprovide other steel pipe: cold rolled ,hot rolled, hot dipped, ERW pipe, etc.We sincerely hope to establish long ...