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Galvanized square tube welding method and the general low-carbon steel is the same welding the first layer of welding in the weld,try to make the zinc layer and vaporization,evaporation and escape the weld,can greatly reduce the liquid zinc Stay in the weld.In the welding of the weld,the same layer in the first layer as much as possible so that the zinc layer melting and vaporization . Welding steel pipe production and market offer For example,for the straight seam welded steel pipecarbon structural steels, carbon structural steels low carbon erw welded steel 40x40 square tubing square steel DecoilingAlibaba low carbon erw welded steel 40x40 square tubing square steel Decoiling offers 21,213 carbon structural steels products. About 3% of these are Steel Sheets, 0% are Stainless Steel Sheets, and 7% are Steel Round Bars. A wide variety of carbon structural steels options are available to you, such as standard, processing service, and application.Youfa steel pipe ERW steel pipe, hot-dipped galvanized low carbon erw welded steel 40x40 square tubing square steel DecoilingYoufa steel pipe ERW steel pipe, hot-dipped galvanized steel pipe, erw steel pipe, Square and Rectangular tube, Galvanized square and rectangular steel tube low carbon erw welded steel 40x40 square tubing square steel Decoiling

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Square and rectangular steel tube Tianjin Youfa international trade Co., Ltd Tianjin Youfa were founded on July 1st,2000, with the headquarters location at the largest welded pipe production basein China-Daqiuzhuang Village, Tianjin city, which is a large-scale steel pipe manufacturing enterprise producing many kinds of pipe products, such as low carbon erw welded steel 40x40 square tubing square steel DecoilingSquare Steel Tube, Square Steel Tube direct from Tianjin low carbon erw welded steel 40x40 square tubing square steel DecoilingShs rhs erw carbon welded steel tube, rectangular carbon steel hollow pipe. $350.00 - $530.00 / Ton. 5.0 Tons low carbon erw welded steel 40x40 square tubing square steel Decoiling 40x40 weight steel ms square pipe, carbon square black steel pipe, hollow section square tube. $350.00 - $530 low carbon erw welded steel 40x40 square tubing square steel Decoiling Thin wall square hollow section steel tube, low carbon square steel pipe. $350.00 - $530.00 / Ton. 5.0 Tons (Min low carbon erw welded steel 40x40 square tubing square steel DecoilingSTEEL SQUARE TUBE 100X100 WITH MATERIAL Production Name: STEEL SQUARE TUBE 100X100 WITH MATERIAL SPECIFICATIONS Tianjin Youfa Steel Pipe Group Company . Brief introduction. Tianjin Youfa Steel Pipe Group Co., Ltd were founded on July 1 st, 2000, located at Daqiuzhuang Village, Tianjin city, which is a large-scale steel pipe manufacturing enterprise producing ERW steel pipe, hot-dipped galvanized steel pipe, seamless pipe, SSAW steel low carbon erw welded steel 40x40 square tubing square steel Decoiling

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Mar 31, 2021 · 10x10 ~ 500x500 Square iron and steel Tube Supplier / ERW SHS / MS Square Hollow Section; Factory Directly 10*10 to 100*100 Iron Furniture Square Hollow Black annealed Metal Tube; ASTM BS 1/2--8 Inch Carbon Black Steel Pipe For Construct Pipe; JIS-G-3444 STK400 STK500 1.5 Inch 48.6MM GI scaffolding pipes; Ms pipe welded black steel pipes carbon low carbon erw welded steel 40x40 square tubing square steel DecoilingBrand: Tianjin YoufaPrice Range: $520 - $550China ERW Round Steel Tube Diameter 10mm to 168mm - Round Steel Tube, Erw Round Steel Tube, Tube Od 10mm to 168mm manufacturer / supplier in China, offering ERW Round Steel Tube Diameter 10mm to 168mm, Construction Material High Strength U Bar/U Beam/U Channel Price, 200*200 10mm Thick Common Carbon Square Steel Tube China Common Carbon 30X30 Welded Steel Square Pipe for low carbon erw welded steel 40x40 square tubing square steel DecoilingSquare Pipe, Square Steel Pipe, Square Tube manufacturer / supplier in China, offering Common Carbon 30X30 Welded Steel Square Pipe for Structure, Construction Material High Strength U Bar/U Beam/U Channel Price, 200*200 10mm Thick Common Carbon Square Steel Tube (SP080) and so on.

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