4130 Alloy Steel Bar

Short Description:

4130 alloy steel bar is a type of steel bar primarily composed of iron, carbon, and alloying elements such as chromium and molybdenum.


  • Material: 4130
  • Dia: 8mm to 300mm
  • Standard: ASTM A29
  • Surface: Black, Rough Machined, Turned
  • Product Detail

    Product Tags

    4130 Alloy Steel Bar:

    4130 alloy steel bars are typically supplied in annealed or normalized conditions, which facilitates machining and forming processes. They can be further heat-treated to enhance specific properties such as hardness and tensile strength, depending on the requirements of the application.This type of steel is known for its exceptional strength, toughness, and weldability, making it widely used in various industries, including aerospace, automotive, and oil and gas. It's commonly utilized in the manufacture of structural components, such as aircraft fuselage frames, engine mounts, and tubing, as well as in high-stress applications where durability and resilience are crucial.

    4130 Bar

    Specifications Of 4130 Steel Bar:

    Grade 4130
    Standard ASTM A29,ASTM A322
    Surface Black, Rough Machined, Turned
    Diameter Range 8.0 ~ 300.0mm
    Length 1 to 6 Meters
    Processing Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
    Raw Materail POSCO, Baosteel, TISCO,  Saky Steel, Outokumpu

    4130 Steel Equivalent:

    Country DIN BS Japan USA
    Standard EN 10250/EN10083 BS 970 JIS G4105 ASTM A29
    Grades 25CrMo4/1.7218 708A25/708M25 SCM430 4130

    4130 Alloy Steel Chemical Composition:

    C Si Mn P S Cr Mo
    0.28-0.33 0.10-0.35 0.40-0.60 0.035 0.040 0.90-1.10 0.15-0.25

    4130 STEELS Bar Mechanical Properties:

    Material Tensile (KSI) Elongation (%) Hardness (HRc)
    4130 95-130 20 18-22

    Why Choose us ?

    • You can get the perfect material according to your requirement at the least possible price.
    • We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.
    • The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)

    • We guarantee to give a response within 24hours(usually in the same hour)
    • Provide SGS TUV report.
    We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.
    Provide one-stop service.

    Our Services

    1.Quenching and tempering

    2.Vacuum heat treating

    3.Mirror-polished surface

    4.Precision-milled finish

    4.CNC machining

    5.Precision drilling

    6.Cut into smaller sections

    7.Achieve mold-like precision

    Packing:

    1. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
    2. Saky Steel's pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

    AISI 4130 Steel Round Bar
    4130 Steel Round Bar
    AISI 4130 Steel Bar

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