St52 A106gr. B Seamless Steel Pipe

St52 A106gr. B Seamless Steel Pipe 　　Model NO.: 114*20 　　Technique: Hot Rolled 　　Surface Treatment: Black 　　Section Shape: Round 　　Certificate: SGS, ISO, BV 　　Thickness: 2-200mm 　　Length: 0-13m 　　Delivery: 10-30 Days 　　Specification: 114*20 　　Type: Seamless 　　Material: Carbon Steel - See more at: http://www.strpipeline.com/product/seamless/272.html#sthash.6td2l3KC.dpuf