China ERW welded steel pipe manufacturers
Aug 14 2018
1.OD:21.3-1820mm.2.WT:1.0-120mm.3.Standard: API 5L,ASTM A53,GB/T3091,GB/T9711 etc.4.Material:API 5L Gr.B,X42,X46,X52,X56,X60,X65,X70,Q235,Q345,16Mn,L245 etc.5.Packing:Bundles,nude,or according to cust…
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