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4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

    Buy cheap 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts from wholesalers
     
    Buy cheap 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts from wholesalers
    • Buy cheap 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts from wholesalers
    • Buy cheap 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts from wholesalers

    4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

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    Brand Name : Unite Steel
    Model Number : Flat bar
    Certification : ISO/BV/SGS/MTC
    Price :
    Payment Terms : L/C, D/A, D/P, T/T
    Supply Ability : 3000 Ton per Month
    Delivery Time : Within 15-45 days
    • Product Details
    • Company Profile

    4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts

    AISI 4140/42CrMo4/SCM440 Hot Rolled Steel Bar ,Flat Steel Bar, Casing Hardened Flat bar, Low MOQ, Surface can machined


    1.Application:


    Flat steel flat bar point to the the steel that the width is 12-300 mm, the thickness is 4-60mm

    thick, and cross section is rectangle with the edge of a little pure steel.

    Main use: flat as timber can be used in the system of hoop iron parts, tools and machinery.

    It also can be used as frame structure and escalator.

    Flat Bar is used for general fabrication, making structures and frames.

    Mild Steel Flat Bar can be easily cut and drilled, and is particularly suited to welding.

    Examples of its use include furniture making, machinery manufacturing,

    shipbuilding, railway spare parts, iron towers, steel structures, and boilers.


    2.Specification:

    Thickness:3-50mm

    Width:20-600mm


    Comparative standardGradeCSiMnCrMoVWPSNi
    GB42CrMo0.38-0.450.17-0.370.50-0.800.80-1.200.15-0.25max0.035max0.035
    AISI4140
    JISSCM440
    DIN42CrMo4/1.72250.410.200.751.050.230.030.03
    Dimensions
    Round bar
    Dia:16mm~700mmLength:2m~6m
    Flat bar
    Thickness:20mm~500mmLength:2m~12m
    *Dimensions can be customized
    Heat Treatment
    Perheat treatment
    1.Annealing:heating temperature 840-860°C ,heat preservation 2 hours ,cool slowly in furnace,
    hardness ≤ 217 HBS.
    2.Normalizing:heating temperature 850-900°C ,air cooling .
    3.High temperature tempering :heating temperature 680-700°C,air cooling,hardness ≤ 217 HBS.
    Quenching and tempering
    1.Quenching: heating temperature 840-880°C,oil cooling, hardness ≥ 53 HRC .
    Tempering : heating temperature 450-650°C ,air cooling ,hardness 25-40 HRC.
    2.Induction quenching :heating temperature 900°C,emulsion cooling,surface hardness ≥ 53 HRC .
    Tempering :160-180°C,air cooling ,hardness ≥ 50 HRC .
    Detail information
    ProcessEAF+LF+VD+Forging+(Rolling)+Annealing Condition (optional)
    Delivery ConditionHot forged+Rough machined/turned surface
    MOQ1 ton
    Technical DataAccording to customer’s requirements of chemical composition, physical properties and mechanical testing
    Ultrasonic TestUltrasonic test according to SEP 1921-84 G3 D/d E/d
    Applications
    Hot extrusion dies, forging die forging hammer, forging press die, precision forging die well as aluminum, copper and alloys die-casting mold.

    Quality 4 - 60mm Thickness Casing Hardened Steel Flat Bar For Railway Spare Parts for sale
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