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Heavy Thick Wall Steel Tubing For Auto Parts 1010 1020 STKM11A STKM12A 12B

Categories Heavy Wall Steel Tubing
Brand Name: TORICH
Model Number: JIS G3445
Certification: ISO9001
Place of Origin: Zhejiang, China (Mainland)
MOQ: 5Tons
Price: USD1000-1500
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 300 Tons per Month
Delivery Time: 45-50 work days
Packaging Details: Packing: antirust protection, In hexagon bundles, in wooden box
Key words: Heavy Wall Steel Tubing
Material: 1010 1020 1045 STKM11A STKM12A 12B
OD: 16.5-350mm
WT: 4-50mm
Length: 5-12m
Usage: For Auto parts
Technique: Cold Drawn
Shape: Round Shape
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    Heavy Thick Wall Steel Tubing For Auto Parts 1010 1020 STKM11A STKM12A 12B

    1010 1020 1045 4130 4140 Heavy Thick Wall Steel Tubing For Auto parts

    China Precision Steel Tube leading supplier, choose the high quality Hydraulic Precision Steel Tube, Precision Carbon Steel Tube, Precision Seamless Steel Tube, CDS Steel Tube, CDW Steel Tube

    Wall thickness 4-50mm

    Diameter 16.5-350mm

    Length 5-6m Upon request

    Material45# 16Mn 35# 20# 10# 40Cr 20Cr 20CrMo 20CrMnTi 40MnMoV 42CrMo 10Mn2 15Cr 30CrMnSi STKM11A STKM12A STKM12B SAE1010 1020 1045
    StanardASTM A519 ASTM A500 ASTM A501 JIS G3441 JIS G3444 ASTM A53 DIN1629 GOST8734-75 and others
    ToleranceThe common difference of inner diameter could be controlled i the scope of 0.1mm
    Heat TreatmentAnnealing, Quenching and tempering, Hot rolled
    SurfacePickling and Phosphating

    Application :Diesel(compression-ignition)engines

    Produce method: shall be manufactured from unalloyed quality steel or an equivalent steel produced by a steel-making process that ensures a very homogeneous structure.

    The final reduction of the tube shall be followed by treatment to achieve the specified mechanical properties. Please advise.

    Characteristic:Precision,Smooth finish,Cleanliness,High mechanical properties.

    Delivery condition: NBK/GBK.


    Inside diameter ,d

    d≤4mm:±0.05mm for class2 (for diesel (compression-ignition)engines)

    ±0.025mm for class 1(for fuel injection pump testing)


    Outside diameter,D


    D≥8mm: ±0.10mm

    For Class 1 and Class2 Please refer above explain.

    The maximum value of the concentricity of the tube outside diameter relative to inside diameter shall be proportional to the wall thickness, as shown in Figure1.


    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

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