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Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape

    Buy cheap Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape from wholesalers
     
    Buy cheap Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape from wholesalers
    • Buy cheap Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape from wholesalers

    Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape

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    Brand Name : TORICH
    Model Number : ASTM A847
    Certification : ISO9001, ISO14001, TS16949
    Price : USD800-2000/Ton
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 2000Tons per Year
    Delivery Time : 30-45 work days
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    Cold Drawn Structural Steel Tubing Seamless Low Alloy Square / Rectangular Shape

    Products Description
    TORICH ASTM A847 Cold Drawn Seamless Low Alloy Square/Rectangular Structural Pipes
    Standard
    ASTM A847
    Matrial
    Alloy Steel
    Size
    OD: 6-813mm WT: 1-12.7mm Length: Customer's Requirement
    Application
    Structural construction
    Manufacture
    Tubes are made by seamless process.
    The tubing may be stress relieved or annealed, as is considered necessary by the tubing manufacturer, to conform to the requirements of this specification.
    Test and Inspection
    Mechanical Test, Tension Test
    Flattening Test, Hardness Test

    Tolerance

    *Straightness--The permissible variation for straightness of structural tubing shall be 1/8 in times the number of feet (10.4mm times the number of meters) of total length divided by5.

    *Squareness of sides- For square and rectangular structural tubing, adjacent sides may deviate from 90° by a tolerance of ±2° maximum.

    *Radius of Corners- For square or rectangular structural tubing, the radius of any outside corner of the section shall not exceed three times the specified wall thickness.

    Workmanship, Finish, and Appeaerance

    All tubing shall be free from defects and shall have a workmanlike finish.
    Surface imperfections shall be classed as defects when their depth the remaining wall thickness to less than90% of the specified nominal wall thickness.

    Chemical Requirements
    Elements
    Heat Analysis
    Product Analysis
    carbon, max
    0.20
    0.24
    Manganese, max
    1.35
    1.40
    Phosphorus, max
    0.15
    A
    Sulphur, max
    0.05
    0.06
    Copper, min
    0.20
    0.18
    Mechanical properties
    Tensile Strength, min, psi (MPa)
    70000 (483)
    Yield Strength, min, psi (MPa)
    50000 (345)
    Elongation in 2in (50.8mm) min, %
    19

    Permissible Variation

    Largest outside dimension across flats, in (mm)
    Tolerance, ±in. (mm)
    2.1/2 (63.5) and under
    0.020 (0.51)
    Over 2.1/2 to 3.1/2 (63.5 to 88.9), incl
    0.025 (0.64)
    Over 3.1/2 to 5.1/2 (88.9 to 139.7), incl
    0.030 (0.76)
    Over 5.1/2 (139.7)
    1%

    Production Show


    QUALITY CONTROL:
    1. Incoming Raw Material Inspection
    2. Raw Material Segregation to avoid steel grade mix-up
    3. Heating and Hammering End for Cold Drawing
    4. Cold Drawing and Cold Rolling, on line inspection
    5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
    6. Straightening-Cutting to specified length-Finished Measuring Inspection
    7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
    8. Packing and Stocking


    100% of our steel tubes are dimensionally checked
    100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
    100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.


    FAQ

    Q: Are you trading company or manufacturer ?
    A: A professional steel pipes materials inventor, manufacturer and solution provider

    Q: How long is your delivery time?
    A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

    Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
    A: Yes, we could offer the sample for free charge but need pay the cost of freight.

    Q: What is your terms of payment ?
    A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

    If you have another question, pls feel free to contact us

    TORICH ASTM A847 Cold Drawn Seamless Low Alloy Square/Rectangular Structural Pipes











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