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产品类型：Straight seam elbow
产品型号：1020mm/40"
产品厚度：sch40/80 STD XS
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Carbon steel Straight seam elbow is used in the elbow is a very common material, cheap, easy to use.According to material: low carbon steel, medium carbon steel, high carbon steel,20 steel (20g), q23, q235b, and divided into hot rolling (extrusion) seamless elbow pipe fitting and cold drawing (rolling) seamless elbow pipe fitting two kinds.Cold drawing (rolling) tube is divided into circular tube and shaped tube.The raw material of rolling seamless elbow pipe fitting is round tube blank, round tube blank is cut by cutting machine and processed about one meter long blank, which is sent to furnace by conveyor belt for heating.The billets are sent into a furnace to be heated at about 1200 degrees Celsius.The temperature control in the furnace is the key problem.It is characterized by relatively high carbon content;According to the standard is divided into: national standard, non-standard, international standard: German standard, Japanese standard, American standard, British standard elbow.The raw material of carbon steel Straight seam elbow is seamless steel tube, the main production process is round tube blank → heating → perforation → three-roller cross rolling, continuous rolling or extrusion → off pipe → sizing (or reducing) → cooling → straightening → hydraulic test (or flaw detection) → marking → warehousing.SCHXX is equal in wall thickness, and 90e(s) means 90-degree carbon steel head with short radius;90e(l) represents the elbow with a long radius of 90 degrees;45e(l) represents the elbow with a long radius of 45 degrees;45e(s) represents the bend with a short radius of 45 degrees;180e(s) for short radius 180 degree carbon steel elbow;180e(l) represents the long radius 180 degree elbow;Carbon steel elbow is to change the carbon steel pipe line.
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