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High-Strength Forged Steel Bar for Heavy Machinery

High-Strength Forged Steel Bar for Heavy Machinery

Forged Steel Bar is a high-strength steel bar produced through forging processes, offering superior mechanical properties, toughness, and structural reliability. It is widely used in heavy machinery, automotive manufacturing, energy equipment, and industrial engineering applications.

  • Material Type :

    Forged Carbon & Alloy Steel (45#, 40Cr, Q355B, 42CrMo)
  • Diameter Range :

    30mm – 500mm
  • Customizable :

    Yes
  • Order(MOQ) :

    2T

Specifications

 

Forged steel bars are manufactured through hot forging processes, which refine the internal grain structure of the steel and improve its mechanical performance. This process enhances strength, toughness, fatigue resistance, and overall structural integrity compared to conventional rolled steel bars.

 

These steel bars provide excellent load-bearing capacity, impact resistance, and durability, making them suitable for components subjected to heavy loads and demanding operating conditions. Various carbon steel, alloy steel, and special steel grades are available to meet different engineering requirements.

 

Forged steel bars are widely used in shafts, gears, flanges, heavy equipment components, power generation systems, mining machinery, and industrial manufacturing, where high strength, reliability, and long service life are essential.


Forged Steel Bar is one of our core strength products. We maintain substantial inventory to ensure rapid delivery and can also customize extra-large diameter seamless pipes according to your specific requirements. Additionally, we provide comprehensive services including spectroscopic analysis, mechanical property testing, pressure testing, and non-destructive testing (NDT).


Grade Grade Equivalent Mechanical Properties Size Range Chemical Composition (Typical, %)
45# Carbon Steel GB 45#
 
ASTM 1045
 
EN C45
Tensile ≥600 MPa
 
Yield ≥355 MPa
 
Elongation ≥16%
 
Hardness 170–229 HB (Forged & Normalized)
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.42–0.50, Si≤0.37
 
Mn 0.50–0.80, P≤0.035, S≤0.035
40Cr Alloy Steel GB 40Cr
 
ASTM 5140
 
EN 41Cr4
Tensile ≥980 MPa
 
Yield ≥785 MPa
 
Elongation ≥9%
 
Hardness 207–269 HB (Forged & Tempered)
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.37–0.44, Si≤0.37
 
Mn 0.50–0.80, Cr 0.80–1.10, P≤0.035, S≤0.035
20CrMnTi Carburizing Steel GB 20CrMnTi
 
ASTM 5120
 
EN 20MnCr5
Tensile ≥1080 MPa
 
Yield ≥835 MPa
 
Elongation ≥10%
 
Hardness 217–269 HB (Forged & Carburized)
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.17–0.23, Si≤0.37
 
Mn 0.80–1.10, Cr 1.00–1.30, Ti 0.04–0.10, P≤0.035, S≤0.035
GCr15 Bearing Steel GB GCr15
 
ASTM 52100
 
EN 100Cr6
Tensile ≥610 MPa
 
Yield ≥380 MPa
 
Elongation ≥15%
 
Hardness 179–207 HB (Forged & Spheroidized)
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.95–1.05, Si≤0.40
 
Mn 0.20–0.40, Cr 1.30–1.65, P≤0.025, S≤0.025
38CrMoAl Nitriding Steel GB 38CrMoAl
 
ASTM 4140
 
EN 34CrAlMo5
Tensile ≥980 MPa
 
Yield ≥835 MPa
 
Elongation ≥14%
 
Hardness 229–285 HB (Forged & Tempered)
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.35–0.42, Si≤0.37
 
Mn 0.30–0.60, Cr 1.35–1.65, Mo 0.15–0.25, Al 0.70–1.10, P≤0.035, S≤0.035
H13 Hot Work Tool Steel ASTM H13
 
EN 1.2344
 
GB 4Cr5MoSiV1
Tensile ≥1600 MPa
 
Yield ≥1200 MPa
 
Elongation ≥10%
 
Hardness 48–52 HRC (Forged & Heat Treated)
Diameter 50–500 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.32–0.45, Si 0.80–1.20
 
Mn 0.20–0.50, Cr 4.75–5.50, Mo 1.10–1.75, V 0.80–1.20, P≤0.030, S≤0.030
P20 Plastic Mold Steel ASTM P20
 
EN 1.2311
 
GB 3Cr2Mo
Tensile ≥980 MPa
 
Yield ≥785 MPa
 
Elongation ≥12%
 
Hardness 28–32 HRC (Forged & Pre-hardened)
Diameter 50–500 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C 0.28–0.40, Si 0.20–0.80
 
Mn 0.60–1.00, Cr 1.40–2.00, Mo 0.30–0.55, P≤0.030, S≤0.030
304 Stainless Steel UNS S30400
 
EN 1.4301
 
GB 06Cr19Ni10
Tensile ≥515 MPa
 
Yield ≥205 MPa
 
Elongation ≥40%
 
Corrosion Resistant Forged
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C≤0.08, Cr 18.0–20.0
 
Ni 8.0–11.0, Mn≤2.0, P≤0.045, S≤0.030
316 Stainless Steel UNS S31600
 
EN 1.4401
 
GB 06Cr17Ni12Mo2
Tensile ≥515 MPa
 
Yield ≥205 MPa
 
Elongation ≥40%
 
Superior Corrosion Resistant Forged
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C≤0.08, Cr 16.0–18.5
 
Ni 10.0–14.0, Mo 2.0–3.0, Mn≤2.0, P≤0.045, S≤0.030
Q355B / 16Mn Low Alloy Steel GB Q355B
 
ASTM A572 Gr55
 
EN S355JR
Tensile ≥470 MPa
 
Yield ≥355 MPa
 
Elongation ≥21%
 
Heavy Duty Forged
Diameter 50–600 mm
 
Length 1000–6000 mm
 
Custom Sizes Available
C≤0.24, Si≤0.55
 
Mn≤1.60, P≤0.035, S≤0.035

 

Note: If you do not find a Forged Steel Bar that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.

 

Video

 

 

Factory

  • Forged Steel Bar
  • Forged Steel Bar
  • Forged Steel Bar

 

  • Forged Steel Bar
  • Forged Steel Bar
  • Forged Steel Bar

 

FAQs

Q: What types and standards of carbon steel do you mainly supply?

A: We mainly supply a wide range of carbon steel products including seamless and welded steel pipes, steel plates, coils, and bars. Common carbon steel grades include A36, A106, A53, API 5L, and S355, which are widely used in construction, machinery, and pipeline engineering. All carbon steel products comply with international standards such as ASTM, API, EN, and JIS. We can also provide corresponding material test certificates (MTC) and support customized specifications according to customer project requirements.

 

Q: Can you provide special specifications or non-standard customization? For example, extra-wide plates or pipes with specific wall thicknesses?

A: Of course. One of our advantages is our flexible customization capabilities. We can provide customized size cutting, special thicknesses, and special surface treatments (such as 2B, BA, No.4 brushed finish, mirror finish) based on your drawings or requirements. Whether it's a small trial order or a large-volume purchase, we can meet your needs.

 

Q: How do you guarantee the quality and consistency of materials? Do you have quality certifications?

A: Quality is our lifeline. We use direct supply from large steel mills to ensure material traceability. Each shipment comes with a Material Quality Certificate (MTC). We have our own quality control team that conducts random checks on material composition, dimensional tolerances, surface finish, and mechanical properties. Our factory is also ISO 9001:2015 quality management system certified.

 

Q: What are your delivery times and logistics solutions for overseas customers?

A: For standard-specification in-stock products, we can complete preparation and shipment within 7-14 days. Delivery times for customized products will be determined through negotiation based on the specific process. We have established international logistics partners who can arrange full container load (FCL), less-than-container load (LCL), or air freight according to your needs, and provide various trade terms such as EXW, FOB, CIF, and DDP, with door-to-door service.

 

Q: As a new customer, how do I begin cooperation? Can you provide samples for testing? 

A: The cooperation process is very smooth: 1) You provide specific requirements (brand, specifications, quantity, standards); 2) We provide a quotation and technical advice; 3) After confirmation, we arrange the contract and payment; 4) Production/pickup and quality inspection; 5) Shipment and provision of documentation. We encourage sample testing. For serious customers, we can provide small-size samples to ensure that the materials fully meet your processing and application requirements.

 

Note: If you do not find a Forged Steel Bar that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.

 
  • Why Choose Us
    Why Choose Us
    Over 20 years of experience in steel manufacturing, offering a comprehensive product range and one-stop supply solutions. Committed to long-term cooperation and reliable service for global partners.
  • Production & Quality Control
    Production & Quality Control
    Stable production capacity supported by an experienced technical team. Strict quality management with ISO-compliant inspections and optional third-party testing (SGS, TÜV, CE).
  • Packing & Shipping
    Packing & Shipping
    Flexible and secure packaging tailored to product type and customer requirements. Fast and reliable delivery with standard stock in 2 weeks and custom orders scheduled per specifications.
  • Certificate & Compliance
    Certificate & Compliance
    ISO9001 certified with full support for international standards. We provide material certificates (MTC) and third-party inspections to ensure compliance and customer confidence.

 

Request A Quote
For inquiries about our steel products, please submit your contact details. Our experts will respond promptly with solutions and support.

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Request A Quote
For inquiries about our steel products, please submit your contact details. Our experts will respond promptly with solutions and support.
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