Alloy Steel 17 Crnimo6
Alloy Steel 17CrNiMo6
Apar Alloys offers Alloy Steel 17CrNiMo6, a high-grade nickel-chromium-molybdenum case-hardening steel designed for superior strength, wear resistance, and impact toughness. This alloy is ideal for applications that require a tough core with a hard, wear-resistant surface, making it highly suitable for automotive, gear manufacturing, and heavy mechanical engineering industries. Known for its excellent hardenability and fatigue strength, 17CrNiMo6 performs reliably in demanding environments that involve high mechanical stress and continuous load.
With a well-balanced combination of nickel, chromium, and molybdenum, 17CrNiMo6 provides high core strength, good ductility, and excellent case hardening properties after carburizing and heat treatment. Apar Alloys is a Supplier and Stockist of this material, offering quality-assured products that deliver exceptional toughness, wear resistance, and long service life. The alloy exhibits excellent machinability in its annealed state, and after heat treatment, achieves a hard, wear-resistant case with a ductile and impact-tough core making it ideal for precision-engineered components in modern industry.
Specifications
| Grade | AISI | UNS | ASTM A276 / A479 | ASTM A182 | EN (W-Nr) | DIN Spec |
|---|---|---|---|---|---|---|
| 17CrNiMo6 | AISI 4820 | G48200 | ASTM A276 / A479 | ASTM A182 | 1.6587 | 17CrNiMo6 |
General Characteristics
Nickel-Chromium-Molybdenum case-hardening alloy steel
Excellent hardenability and high core strength after carburizing
Superior wear and fatigue resistance in dynamic applications
Consistent toughness and ductility under stress
Suitable for heavy-duty and precision mechanical components
Excellent machinability and dimensional stability
Chemical Composition (nominal) %
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 17CrNiMo6 | 0.14–0.20 | ≤0.40 | 0.50–0.90 | ≤0.025 | ≤0.035 | 1.50–1.80 | 1.40–1.70 | 0.25–0.35 | Balance |
Applications
Widely used in automotive gears, shafts, and transmission components
Ideal for heavy-duty machinery and powertrain assemblies
Suitable for crankshafts, pinions, and bearing components
Commonly used in industrial gearboxes and drive shafts
Preferred for off-road and marine mechanical applications
Excellent for precision-engineered parts requiring case hardening
Advantages
- Excellent case hardenability with a strong, tough core
- High fatigue and wear resistance under heavy loads
- Maintains dimensional accuracy and stability after heat treatment
- Good machinability and polishability in the annealed condition
- Long service life with low maintenance requirements
- Reliable performance in high-stress, impact-prone environments
Mechanical Properties (Typical at Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 850 – 1000 |
| Yield Strength (MPa) | 650 – 750 |
| Elongation (%) | 12 – 15 |
| Hardness (Brinell) | 220 – 290 HB |
| Case Hardness (after carburizing) | 58 – 62 HRC |
Why Choose Apar Alloys
At Apar Alloys, we bring technical expertise, material integrity, and customer-centric service together to meet the highest industrial standards.
Reliable Supplier and Stockist
Ready-to-dispatch inventory for varied industry needs.
Global Sourcing Network
Materials procured from reputed international mills.
Quality Assurance
Thorough testing and certification for each batch.
Custom Sizes and Finishes
Tailored to client requirements.
Competitive Pricing & On-Time Delivery
Cost-effective and prompt supply.
Dedicated Technical Support
Expert guidance from inquiry to fulfillment.
Get in Touch
Contact Us
Looking for a dependable source for Alloy Steel 17CrNiMo6 materials? Contact Apar Alloys today for detailed specifications, customized supply solutions, or competitive pricing for Alloy Steel Round Bars and Components.
[Call] +91 98333 89128
301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.
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