4130 Steel Suppliers

Dedicated page content for 4130 Steel Suppliers with practical technical and commercial insights for project and OEM buyers.

4130 Steel Suppliers

Siddhgiri Overseas is a trusted supplier of premium quality 4130 alloy steel products manufactured to meet demanding industrial applications. AISI 4130 steel is a chromium-molybdenum alloy steel widely recognized for its excellent strength, toughness, weldability, and fatigue resistance.

4130 steel offers an exceptional combination of mechanical performance and lightweight properties, making it suitable for structural engineering, aerospace components, motorsport fabrication, oil and gas systems, and precision manufacturing applications.

Our 4130 steel products are supplied with complete quality documentation, inspection support, and reliable packaging solutions to ensure consistent performance across critical applications.

Why Choose 4130 Steel?

High Strength

Excellent tensile strength and load-bearing capability for demanding applications.

Excellent Machinability

Suitable for fabrication, machining, and precision engineering components.

Superior Toughness

Provides reliable performance under dynamic and cyclic loading conditions.

4130 Steel Suppliers - Premium Quality

Supplier Evaluation Checklist

Compare supplier stock depth, test support, packaging quality, and on-time delivery performance for reliable project execution.

Why Buyers Choose Siddhgiri Overseas

Quality Confidence

Material supplied with clear documentation and inspection support.

Stock Planning

Dimension matching and cut length planning for project execution.

Delivery Support

Domestic and export shipment support with reliable coordination.

4130 Steel Specifications

Parameter Details
Material Grade AISI 4130 Alloy Steel
Standards ASTM A29, ASTM A519 and equivalent specifications
Available Forms Round Bar, Tubes, Pipes, Forgings and Custom Profiles
Condition Annealed, Cold Drawn, Heat Treated and Normalized
Surface Finish Black, Bright, Polished and Machined Finish
Inspection MTC EN 10204 3.1 and Third Party Inspection Support

AISI 4130 Chemical Composition

Element Content (%)
Carbon (C)0.28 - 0.33
Chromium (Cr)0.80 - 1.10
Manganese (Mn)0.40 - 0.60
Molybdenum (Mo)0.15 - 0.25
Silicon (Si)0.15 - 0.35
Phosphorus (P)0.035 Max
Sulfur (S)0.040 Max

AISI 4130 Mechanical Properties

Property Value
Density7.85 g/cm³
Tensile Strength560 MPa
Yield Strength460 MPa
Elongation21.5%
HardnessApprox. 217 HB
Elastic Modulus190–210 GPa

Applications of 4130 Steel

Aerospace

Used in aircraft structures and high-performance components.

Motorsport

Suitable for roll cages, chassis fabrication, and racing structures.

Oil & Gas

Used in high-pressure and critical service applications.

Mechanical Engineering

Suitable for shafts, fittings, and structural parts.

Industrial Fabrication

Supports heavy engineering and manufacturing applications.

Power Generation

Used in demanding industrial operating environments.

Quality Assurance and Testing

  • Positive Material Identification (PMI)
  • Chemical Analysis Test
  • Mechanical Testing
  • Hardness Testing
  • Dimensional Inspection
  • Non-Destructive Testing
  • Hydrostatic Testing
  • Visual Inspection
  • Third Party Inspection Support

Information Tabs

Used in aerospace components, motorsport structures, fabricated assemblies, and high-strength industrial systems.

Availability depends on OD, wall thickness, finish condition, and quantity. Send your list for stock confirmation.

Include drawings, dimensional tolerance, certification requirement, and delivery location for accurate quotation.

Frequently Asked Questions

What is AISI 4130 steel?

AISI 4130 is a chromium-molybdenum alloy steel known for its high strength, toughness, and excellent weldability.

Is 4130 steel weldable?

Yes. AISI 4130 can be welded using appropriate welding procedures and heat treatment when required.

What industries use 4130 steel?

Industries such as aerospace, motorsport, oil and gas, fabrication, and engineering commonly use 4130 steel.

Do you provide material certificates?

Yes. Material Test Certificates and inspection documentation can be supplied with the material.