1.Product name:Black Iron Pipe 2.OD:20-219mm 3.THK:0.7-30mm 4. ... -A53,BS1387-85,JIS-G3444,GB/T3091-2001,etc. CommodityERW steel pipeSpecification20-219mm, 0.7-30mmMaterialQ195,Q215,Q345,20#,10#,16Mn ... do special orders as your requestprovide other steel pipe: cold rolled ,hot rolled, hot dipped, ERW pipe, etc.We sincerely hope to establish ...