... Black steel pipe 2.OD:20-219mm 3.THK:0.7-30mm 4.Price:755-850USD/T 5.MOQ:10T 1)Black steel ... ,GB/T3091-2001,etc. CommodityERW steel pipeSpecification20-219mm, 0.7-30mmMaterialQ195, ... LengthAs per client’s requirementUsagePetrol, gas, water pipe, construction, structure, scaffold, chimney potProcessing ... your requestprovide other steel pipe: cold rolled ,hot rolled, hot dipped, ERW pipe, etc.We ...