Alloy Steel 4130
Alloy Steel 4130
Apar Alloys, a trusted Stockist and Supplier of premium alloy steel materials, offers Alloy Steel 4130, a high-performance chromium-molybdenum steel known for its excellent strength, toughness, and durability. Specifically designed for applications demanding good fatigue and impact resistance, this grade is widely used across engineering, automotive, and oil & gas sectors, providing reliable performance in critical load-bearing components.
With consistent mechanical properties and good hardenability, Alloy Steel 4130 performs exceptionally well under heat-treated or normalized conditions. The carefully balanced chromium and molybdenum content ensures superior resistance to wear, abrasion, and moderate temperature deformation, making it ideal for precision-engineered components, high-load parts, and structural applications where durability, reliability, and long service life are essential.
Specifications
| Grade | AISI | UNS | ASTM A276 / A479 | ASTM A182 | EN (W-Nr) | DIN Spec |
|---|---|---|---|---|---|---|
| 4130 | AISI 4130 | G41300 | ASTM A276 / A479 | ASTM A182 | 1.7218 | 25CrMo4 |
General Characteristics
Low to medium carbon chromium-molybdenum alloy steel
High strength and toughness in heat-treated condition
Good fatigue and impact resistance
Uniform mechanical properties after machining
Suitable for quenching, tempering, and surface hardening
Reliable performance in dynamic and moderate-stress environments
Chemical Composition (nominal) %
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 4130 | 0.28–0.33 | 0.15–0.35 | 0.40–0.60 | ≤0.035 | ≤0.040 | 0.80–1.10 | ≤0.25 | 0.15–0.25 | Balance |
Applications
Used in transmission shafts and various drive components.
Ideal for gears, studs, and high-strength fasteners.
Suitable for hydraulic systems and precision tool holders.
Applied in machine parts and crankshaft components.
Reliable material for automotive and powertrain applications.
Perfect for structural and general engineering purposes.
Advantages
- High tensile and yield strength with good ductility
- Excellent wear and fatigue resistance under moderate loads
- Stable mechanical properties after heat treatment
- Reliable machinability and consistent dimensional control
- Suitable for precision-engineered and high-load components
- Extended component life and low maintenance requirements
Mechanical Properties (Typical at Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 560 – 700 |
| Yield Strength (MPa) | 460 |
| Elongation (%) | 25 |
| Hardness (Brinell) | 163 – 207 HB |
Why Choose Apar Alloys
At Apar Alloys, we blend technical expertise with a customer-focused approach. Our extensive stock and global sourcing partnerships ensure clients receive certified materials that meet international standards and specific application requirements.
Trusted Stockist & Supplier
We maintain a ready inventory of materials, ensuring quick and reliable dispatch for all client needs.
Sourced from Reputed International Mills
All products are procured from trusted global suppliers, guaranteeing consistent quality and performance.
Comprehensive Quality Assurance
Every material undergoes detailed inspections and traceable documentation to meet stringent quality standards.
Custom Sizes and Finishes
We provide tailored solutions, including cut-to-length, custom sizes, and finishes to match project requirements.
Competitive Pricing & Reliable Delivery
Apar Alloys offers cost-effective solutions with timely delivery across industries.
Dedicated Client Support
Our expert team ensures personalized assistance, building trust and long-term client relationships.
Get in Touch
Contact Us
Looking for a trusted supplier for Alloy Steel 4130 materials? Contact us today for quotes, material specifications, or customized supply solutions for Alloy Steel Round Bars and Pipes.
[Call] +91 98333 89128
301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.
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