Black steel pipes are made of steel that has not been coated with a substrate such as zinc or paint. Since it has a dark color surface that is forms by iron oxide during the manufacturing process, it is called black steel pipe. cold-drawn seamless stainless-steel pipe is shorter than hot-rolled one and the wall thickness of cold-drawn Black Painted Seamless Carbon Steel Pipe Cold Drawn / Hot Quality Seamless Carbon Steel Pipe manufacturers & exporter - buy Black Painted Seamless Carbon Steel Pipe Cold Drawn / Hot Rolled ASTM GB A53 A106 from China manufacturer.
Translate this pageWe are Alloy Steel Seamless Tube manufacturer & provide Black Painting Alloy Steel Seamless Tube Astm A335 P11 P22 P5 P9 Ba 4" Sch120*11.6m - ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD. Black Steel Seamless Pipe-China Black Steel Seamless Pipe China Black Steel Seamless Pipe - Select 2021 Black Steel Seamless Pipe products from verified China Black Steel Seamless Pipe manufacturers, suppliers on Made-in-China. China 42CrMo Hot Rolled Seamless Steel Pipe Steel Tube Type:Seamless Technique:Hot Rolled Material:Carbon Steel, Alloy Steel Surface Treatment:Black Painting, Bare Pipe Usage:Machinery Industry, Construction &
China API 5L Hot Rolling Black Painted Seamless Steel Pipe Line Pipes for Liquid Transportation, Find details about China Seamless Steel Pipe, Steel Pipe from API 5L Hot Rolling Black Painted Seamless Steel Pipe Line Pipes for Liquid Transportation - Qingdao Ironsteel International Trading Co., Ltd. DN25 SCH40 Hot Rolled Seamless Steel Pipe, View DN25 Jan 06, 2020 · API 5L Gr.B Seamless Steel Pipes WITH Black Painting,Print Marking,Beveled Ends and Plastic Caps Established in 2009,major in producing hot rolled seamless steel pipes and cold rolled seamless steel pipes. Jiufa means keep the best quality and developmental concept forever.So our aim is:QUALITY FIRST AND KEEP MOVING. Hot rolled black carbon seamless square steel pipes with Hot rolled black carbon seamless square steel pipes with manufacture price:Thickness:2 28 mm or as requirements:Outer Diameter:7*7 mm 850*850 mm or as requirements:Length:4 -15.8 m or as requirements:Section Shape:Square:Technique:Hot Rolled:Type:Seamless:Secondary Or Not:Non-secondary:Tolerance:Control with in the standard, OD:+-1%, WT:+-10%
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