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Low Roughness Alloy Steel Round Bar , Carbon Steel Bar ASTM 5130 / EN 28Cr4 1.7030

Categories Forged Steel Bar
Brand Name: UST
Model Number: ASTM 5130
Certification: ISO 9001:2008
Place of Origin: MAINLAND CHINA
MOQ: 3 Metric tons
Price: USD 800-2000 / Metric Ton
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 1000 Metric Tons per Month
Delivery Time: 15-35 days
Packaging Details: In standard export packing and seaworthy material with rectangular shape bundle, covered with tarpaulin, in ontainers or in bulk, or upon request
Matrial: Alloy Steel
Standard: GB, ASTM, DIN,JIS
Grade: 5130 / 28Cr4 1.7030
Diameter: 4-1600mm
Length: Below 16 meters
Shape: Round bar
Techniques: Cold drawn; Hot rolled; Cold rolled; Forged
Surface: Black, Bright, Polished, Peeled, or upon request
Ultrasonic Test: 100% UT Passed
Processing: Annealed or Quenched and tempered provided
End: Beveled, plain end as required
Quality Inspection: SGS, BV etc.
Service: Cutting service and 3rd party inspection is provided
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    Low Roughness Alloy Steel Round Bar , Carbon Steel Bar ASTM 5130 / EN 28Cr4 1.7030

    ASTM 5130 / EN 28Cr4 1.7030 Alloy Steel Bar / Rod Forged 130-1600mm


    ASTM A29/A29M 5130 alloy steel is a quenching and tempering steel. 5130 can also be used after normalizing. After the treatment, ASTM A29/A29M 5130 round bar has excellent strength and hardenability.

    Based on the properties, 5130 round bar is mainly applied to some important parts which work in abrasion and high impact and heavy load condition, such as shaft, small axles,equalizer beam,jointed arm,connecting rod,running pulley and so on.

    ASTM A29/A29M 5130 alloy steel can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars.


    This alloy is used for highly stressed parts with medium cross sections for automotive and general engineering applications, such as forged camshafts and gears, gear shafts, bushings and connecting rods.

    According to the market needs, we supply the oversea markets for ASTM A29/A29M 5130 round bars as below:

    -Dimension: Diameter 4-1600 mm, any length below 16 meters

    -Delivery Conditions:

    Cold drawn: 4-100 mm

    Peeled: 30-160 mm

    Grinded: 4- 600 mm

    Turned: 130-1200 mm

    Hot rolled: 12-320 mm

    Hot forged: 130-1600 mm

    -EAF+(ESR) or EAF+LF+VD+(ESR)

    -HOT rolled; Cold rolled; Forged; Cold Drawn

    -Heat Treatment: Untreated, Annealing, N+T, Q+T

    -Smelting: EAF+LF+VD (+ESR)

    -Surface Finish: Black, Rough Machined, Peeled, Turned or upon request

    -UT 100% passed

    -Cutting service provided

    -Third Party inspection is acceptable (SGS, BV etc.)

    Chemical Requirements, Composition, %

    ElementASTM A29
    EN 10084
    JIS G4053

    ISO 683/1


    Phosphorus0.035 max0.025 max0.030 max0.035 max
    Sulfur0.040 max0.035 max0.030 max0.035 max
    Silicon0.15-0.350.40 max0.15-0.350.10-0.40

    Mechanical properties

    StandardSteel GradeYield strength σs/MPa (>=)Tensile strength σb/MPa (>=)Elongation δ5/%(>=)Reduction of area ψ/% (>=)Impact absorbing energy Aku2/J (>=)Hardness HBS 100/3000 max


    ASTM A29/A29M 5130 round bars are usually produced under the followed procedures:

    EAF arc furnace + LF purify affinage + VDF + ingot steel(bottom gating /argon) + forged + annealing + black polishing (turnery) + Sep 1921-C/c,D/d,E/e UT test + smooth edges with sawing

    What we can offer?

    -We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

    -Machining and heat treatment are available.

    -Also, we advise you in choosing the right materials.

    Shape Available

    • Solid round bar
    • Flat bar
    • Square bar
    • Hexagon bar
    • Block
    • Plate
    • Sheet
    • Wire rod
    • Strip

    Our Advantages

    • High mechanical property and quenching, enable the surface share equal hardness after deal with it
    • Good polishing and low roughness
    • Making the heat-treatment to harden condition before using it
    • Competitive price
    • Fast production lead-time
    • All the material are inspected with 3 times to meet the highly standards
    • Pure steel quality & stable quality to be guarantee



    Available Size:
    -Round: Dia. 4-1600 mm
    -Flat: T. 10-120 mm x W. 60-810 mm
    -Block: T. 80-1200 mm x W. 100-1600 mm


    1. Both T/T and L/C will be acceptable

    2. Trade Terms: FOB, CIF, CFR

    3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

    4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples


    Shanghai Unite Steel Trading Co., Ltd

    We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

    In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

    What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!


    Q: Are you a manufacturer or merely a trader?
    A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.

    Q: How do you guarantee the quality of your product?
    A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.

    Q: Delivery time?
    A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.

    Q: What is the payment term?
    A: T/T or L/C.

    Q: Can we visit your company and factory?
    A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

    Buy Low Roughness Alloy Steel Round Bar , Carbon Steel Bar ASTM 5130 / EN 28Cr4 1.7030 at wholesale prices
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