Introduction to 42CrMo4 Alloy Steel

42CrMo4 Alloy Steel

42CrMo4 is a high-grade chromium-molybdenum alloy steel, renowned for its exceptional mechanical properties, including high tensile strength, toughness, and wear resistance. This steel is widely used in industries requiring durable materials for critical components exposed to heavy loads and dynamic stresses.

At Amardeep Steel Centre, we supply premium-quality 42CrMo4 steel tailored to your industrial requirements, ensuring reliability, durability, and performance.

Key Features of 42CrMo4 Steel

  1. High Tensile Strength: Capable of withstanding heavy loads and extreme stress.
  2. Wear Resistance: Excellent resistance to abrasion and surface fatigue.
  3. Toughness: Superior impact resistance, even under dynamic loads.
  4. Heat Treatability: Customizable mechanical properties through quenching and tempering.
  5. Corrosion Resistance: Chromium content enhances protection against corrosion.

Chemical Composition of 42CrMo4 Steel

Element Composition (% by weight)
Carbon (C) 0.38–0.45
Chromium (Cr) 0.90–1.20
Molybdenum (Mo) 0.15–0.30
Silicon (Si) 0.10–0.40
Manganese (Mn) 0.50–0.80
Phosphorus (P) Max 0.025
Sulfur (S) Max 0.035

This composition makes 42CrMo4 steel versatile and suitable for a wide range of high-stress applications

Applications of 42CrMo4 Steel

1. Automotive Industry:

  1. Drive Shafts: Provides reliability in transferring power efficiently.
  2. Suspension Components: Ensures durability and impact resistance.
  3. Crankshafts and Gears: Handles dynamic loads and wear effectively.

2. Heavy Machinery:

  • Hydraulic Cylinders: Withstands high-pressure applications.
  • Rotating Shafts: High tensile strength for continuous performance.
  • Tooling Components: Used in dies and molds requiring dimensional stability.

3. Construction Equipment:

  1. Excavator Arms: Handles extreme wear and load stress.
  2. Heavy-Duty Bolts: Ensures long-term performance in structural applications.

4. Energy Sector:

  • Wind Turbines: High-stress components like shafts and gearboxes.
  • Pressure Vessels: Ensures stability under extreme pressure.

Heat Treatment and Mechanical Properties of 42CrMo4 Steel

Heat Treatment Processes:

  1. Normalizing: Improves machinability and refines grain structure.
  2. Quenching: Enhances hardness and strength through rapid cooling.
  3. Tempering: Reduces brittleness and stabilizes mechanical properties.

Mechanical Properties (Typical):

  • Tensile Strength: 850–1000 N/mm²
  • Yield Strength: 550–700 N/mm²
  • Elongation: 12–16%
  • Impact Strength: Excellent, even at low temperatures.

Manufacturing Capabilities at Amardeep Steel Centre

We manufacture and supply 42CrMo4 steel in various forms and sizes to meet the diverse needs of our clients.

Available Forms:

  • Round Bars
  • Hexagonal Bars
  • Forged Blocks
  • Customized Profiles

Sizes Offered:

  • Outer Diameter: 20 mm to 300 mm
  • Length: Standard 6 meters or custom lengths on request

Surface Finish Options:

  • Polished
  • Annealed
  • Shot-blasted

Quality Assurance and Testing

Amardeep Steel Centre ensures that every batch of 42CrMo4 alloy steel meets the highest standards of quality.

Testing Processes:

  1. Chemical Composition Analysis: Verifies material consistency.
  2. Mechanical Testing: Confirms tensile strength, hardness, and impact resistance.
  3. Non-Destructive Testing (NDT): Includes ultrasonic and magnetic particle inspection (MPI) for flaw detection.
  4. Dimensional Checks: Ensures precise dimensions and tolerances.

Detailed test certificates are provided with every consignment for complete transparency.

Why Choose Amardeep Steel Centre for 42CrMo4 Steel?

  1. Comprehensive Expertise: Decades of experience in alloy steel manufacturing and supply.
  2. Tailored Solutions: Customized sizes and finishes to meet unique industrial needs.
  3. Global Supply Network: Trusted supplier across domestic and international markets.
  4. Competitive Pricing: Transparent and fair pricing without compromising quality.
  5. Customer-Centric Approach: Dedicated support for technical queries and prompt delivery.

Ordering 42CrMo4 Steel

Minimum Order Quantity:

3 MT per size

Delivery Options:

  • Domestic (India): All major cities, including Mumbai, Bangalore, Pune, and Delhi.
  • International: UAE, Europe, Southeast Asia, and beyond.

Request a Quote Today!

Contact us to discuss your requirements and receive a competitive quote.

Contact Us

Email: [email protected]
Phone: +91 9820063281
Website: Amardeep Steel Centre


Frequently Asked Questions (FAQs)

1. What are the key properties of 42CrMo4 steel?

42CrMo4 steel offers high tensile strength, excellent toughness, and superior wear resistance, making it suitable for demanding applications.

2. What industries commonly use 42CrMo4 steel?

Industries such as automotive, heavy machinery, construction, and energy rely on 42CrMo4 for components like shafts, gears, and hydraulic cylinders.

3. Can 42CrMo4 steel be customized to specific dimensions?

Yes, Amardeep Steel Centre provides customized dimensions and finishes to meet client-specific requirements.

4. What quality standards do you follow?

We adhere to strict quality protocols and provide detailed test certificates with every consignment.

5. How can I place an order?

You can contact us via email at [email protected] or call us at +919819823772