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DIN 1629 ST44 seamless tubes for auto parts making

    Buy cheap DIN 1629 ST44 seamless tubes for auto parts making from wholesalers
     
    Buy cheap DIN 1629 ST44 seamless tubes for auto parts making from wholesalers
    • Buy cheap DIN 1629 ST44 seamless tubes for auto parts making from wholesalers
    • Buy cheap DIN 1629 ST44 seamless tubes for auto parts making from wholesalers

    DIN 1629 ST44 seamless tubes for auto parts making

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    Brand Name : Huibo
    Certification : ISO
    Price : FOB,CIF,CFR
    Payment Terms : TT/LC
    Supply Ability : 4000tons/month
    Delivery Time : 10-15days
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    DIN 1629 ST44 seamless tubes for auto parts making

    DIN 1629 Cold Drawn Precision Seamless Tubes

    Table 1- Chemical composition

    Steel Grade

    C%

    Si%

    Mn%

    P%

    S%

    St35 or E235

    ≤0.17

    ≤0.35

    0.4-1.2

    ≤0.025

    ≤0.025

    St45 or E255

    ≤0.21

    ≤0.35

    0.4-1.1

    ≤0.025

    ≤0.025

    St52 or E355

    ≤0.22

    ≤0.55

    ≤1.6

    ≤0.025

    ≤0.025


    Table 2 - Mechanical properties at room temperature



    Delivery condition

    BK

    BKW

    GBK

    NBK

    steel Grade

    Rm Mpa (Min)

    A %(Min)

    Rm Mpa(Min)

    A %(Min)

    Rm Mpa(Min)

    A %(Min)

    Rm Mpa(Min)

    ReH Mpa(Min)

    A %(Min)

    St35 or E235

    480

    6

    420

    10

    315

    25

    340 to 480

    235

    25

    St45 or E255

    580

    5

    520

    8

    390

    21

    440 to 570

    255

    21

    St52 or E355

    640

    4

    580

    7

    450

    22

    490 to 630

    355

    22

    Application:

    A. Fuel injection lines/nozzles

    1. Automotive fields

    B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar

    C. Drive transmission: Steering column elements

    D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts

    2. Hydraulic Fields

    A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension system

    B. Hydraulic cylinders (HPZ)

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