Yongzhou welded square tube wholesale_square tube manufacturer wholesale_square tube spot price

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&Yongzhou welded square tube wholesale_square tube manufacturer wholesale_square tube spot price, Song style r b< c= Song style> Hunan Gerunde Pipe Industry Co., Ltd.
Song style r b< c= Song style>, square tubes and rectangles in Hunan Pipes, square and rectangular pipes, galvanized square pipes, galvanized rectangular steel pipes, galvanized square and rectangular pipes are sold directly from stock, with complete varieties, high quality and reasonable prices. Inquiry and ordering phone number
Songti rb/WeChat ID: .:
c=r> Songti r b< c= Songti> Square Rectangular Tube
Songti r b< c= Songti> also known as square and rectangle Cold-formed hollow sections, referred to as square tubes and rectangular tubes, are coded respectively as and Plus or minus % of the wall thickness. When the wall thickness is greater than
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c=r> r The usual delivery length of square and rectangular tubes is, mostly and. Square and rectangular pipes are allowed to be delivered with short lengths and non-fixed length products of not less than 1,000 square meters, and can also be delivered in the form of interface pipes, but the purchaser should cut off the interface pipes when using them. The weight of short-length and non-fixed-length products shall not exceed % of the total delivery quantity. For square and rectangular pipes with a theoretical weight greater than //, the weight shall not exceed % of the total delivery quantity
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c=r> r The curvature of square and rectangular tubes shall not be greater than per meter, and the total curvature shall not be greater than .% of the total length
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c=r> r b< c=>Square and rectangular tube production process classification
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c=r> r b< c=> Square and rectangular tubes are divided according to the production process: hot-rolled seamless square tube, cold-drawn seamless square tube, extruded seamless square tube, welded Square tube. < c=> Among them, welded square tubes are divided into: according to process&& arc welded square tube, resistance welded square tube (high frequency, low frequency), gas welded square tube, furnace welded square tube (b) according to welding seam&& straight Seam welded square tube, spiral welded square tube
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c=r> r b< c=> Square and rectangular tube material classification
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c=r> r r b< c=> Square tubes are divided into materials: < c=> plain carbon steel square tubes and low alloy square tubes. Ordinary carbon steel is divided into: # steel, # steel and other low alloy steels are divided into, etc.
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c=r> Song style r b< c= Song style> Square tubes are divided according to production standards: national standard square tube, Japanese standard square tube, British standard square tube, American standard square tube, European standard square tube , non-standard square tube. && Flower-shaped square tube, open-shaped square tube, corrugated square tube, special-shaped square tube.
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c=r> r b< c=> Square tubes are divided into surface treatments: < c=> hot-dip galvanized square tubes, < c=> electro-galvanized square tubes, coated Oiled square pipe, pickled square pipe.
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c=r> r b< c=> Square tubes are classified by use&& square tubes for decoration, square tubes for machine tools and equipment, square tubes for machinery industry, square tubes for chemical industry, steel Square tubes for structures, square tubes for shipbuilding, square tubes for automobiles, square tubes for steel beams and columns, and square tubes for special purposes.
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c=r> r b< c=> Square and rectangular tubes are classified according to wall thickness&& extra-thick-walled square and rectangular tubes, thick-walled square and rectangular tubes and thin-walled square and rectangular tubes
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c=r> Songti r b< c=> Executable Standard
Songti r b< c=>：
Songti r bB/,B/, B, , ,or technical agreement Application fields: Widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railways, highway guardrails, container frames, furniture, decoration and steel structure fields.
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c=r> r b< c=> Product implementation standards: B/, B/, B (national standard) cold-pressed special-shaped rectangular tube
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c=r> Song Dynasty r bB (National Standard) Cold-formed hollow steel for structural use
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c=r> Song Dynasty r (American Standard) Carbon steel for structural use cold-formed circular section and special-shaped section welded rectangular Tubes and seamless rectangular tubes
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c=r> rb (European standard) Non-alloy and fine-grained cold-formed welded hollow structural profiles
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c =r> Songti r (Japanese standard) Angular rectangular tube for general construction
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c=r> Songti r b< c= Songti> Seamless square and rectangular tube Product material: #, alloy steel, Stainless steel.
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c=r> r b< c=> Square and rectangular tube product uses: for mechanical equipment, solar equipment, steel structures, automotive parts, bridge piles, guardrails, and internal ship structures. .
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c=r>< c=>Yongzhou welded square tube wholesale_square tube manufacturer wholesale_square tube spot price, .>< c=>Welcome to Hunan Gerunde Pipe Industry Co., Ltd. website, contact mobile phone/WeChat:,, the company solemnly promises: to thank new and old customers with good quality, low prices, and perfect after-sales service, so choosing us is equivalent to choosing wealth. Square tube__
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