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12m Length 12 Inch Steel Pipe Fittings , ERW Black Steel Pipe API 5L X56

Categories Steel Pipe Fittings
Brand Name: HEBEIPENGXIN
Model Number: BE ERW Pipe, API 5L X56, 12 inch, 12 meters, SCH.STD, Standard API 5L PSL1 & ASME
Certification: API
Place of Origin: CHINA
MOQ: 20 Pcs
Price: Depending on quantity
Payment Terms: T/T
Supply Ability: 100000 Tons per year
Delivery Time: 2-10weeks
Packaging Details: Plywood cases or pallets
Alloy or not: Non-alloy
Standard2: API 5L
Standard: ASME
Material: X56
Size: 12 inch, 12 meters, SCH.STD
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    12m Length 12 Inch Steel Pipe Fittings , ERW Black Steel Pipe API 5L X56

    BE ERW Pipe, API 5L X56, 12 inch, 12 meters, SCH.STD, Standard API 5L PSL1 & ASME


    Carbon steel pipe can be divided into seamless steel pipe, straight seam steel pipe, spiral steel pipe, high frequency welded steel pipe and so on. The raw material of rolling seamless carbon steel pipe is round tube billet. The round tube embryo must be cut by cutting machine to process the billet with a growth degree of about 1 meter, and sent to the furnace by conveyor belt for heating. The billet is heated into the furnace at a temperature of about 1200 degrees Celsius. The fuel is hydrogen or acetylene. Furnace temperature control is a key problem. After the round tube billet is out of the oven, it must pass through the pressure perforation machine to carry on the empty. The common perforator is conical roller perforator, which has high production efficiency, good product quality, large perforation diameter expansion and can wear many kinds of steel. After perforation, the round tube billet has been three-roll oblique rolling, continuous rolling or extrusion. After extrusion, take off the pipe and set the diameter. The diameter fixing machine rotates into the steel embryo through the conical bit at high speed to form the steel pipe. The inner diameter of the steel pipe is determined by the outer diameter length of the drill bit. After the steel pipe is fixed, it enters the cooling tower and is cooled by water spray. After cooling, the steel pipe will be straightened. The steel pipe is straightened and sent from conveyor belt to metal flaw detector (or hydraulic test) for internal flaw detection. If there are cracks, bubbles and other problems inside the steel pipe, it will be detected. Steel pipe quality inspection but also through strict manual selection. After quality inspection of steel pipe, spray the number, specification, production batch number and so on with paint. And crane into the warehouse.
    Cold drawn (rolled) carbon steel seamless steel pipe: pipe billet → heating → perforation → head → annealing → pickling → oiling (copper plating), multi-pass cold drawing (cold rolling)→ billet pipe heat treatment → straightening water pressure test (flaw detection)→ marking and storage
    Carbon steel seamless steel pipe is divided into hot rolled (extruded) seamless steel pipe and cold drawn (rolled) seamless steel pipe because of its different manufacturing technology. Cold drawing (rolling) tube is divided into circular tube and special-shaped tube.

    standard

    GB/T17396-1998

    Hot rolled seamless steel pipe for hydraulic prop

    GB3093-1986

    High pressure seamless steel pipe for diesel engine

    GB/T3639-1983

    Cold drawn or cold rolled precision seamless steel tubes

    GB/T3094-1986

    Steel pipe with special shaped steel pipe

    GB/T8713-1988

    Precision inner diameter seamless steel pipe for hydraulic and pneumatic cylinders

    GB13296-1991

    Stainless Steel Seamless Steel Pipe for Boiler and Heat Exchanger

    GB/T14975-1994

    Structural stainless steel seamless steel pipe

    GB/T14976-1994

    Stainless steel seamless steel pipe for fluid transportation

    GB/T5035-1993

    Seamless Steel Pipe for Auto Semi-shaft Casing

    API SPEC5CT-1999

    Specification for casing and tubing

    Cheap 12m Length 12 Inch Steel Pipe Fittings , ERW Black Steel Pipe API 5L X56 for sale
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