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20MnCr5 Steel Supplier in India | Your Partner for Case Hardening Steel
Introduction to 20MnCr5 Steel
20MnCr5 steel is a low alloy chromium-manganese steel specifically designed for carburizing and case hardening applications. This grade is prized for its ability to achieve a very hard, wear-resistant surface while maintaining a tough, ductile core. This unique combination of properties makes it an ideal choice for components that must withstand heavy surface friction and impact loads. At Jupiter Steels, based in Delhi, we are a trusted stockist and supplier of 20MnCr5 steel, providing certified material to customers throughout India, including key industrial regions like Manesar, Haryana, and beyond.
Chemical Composition of 20CrMo5 Steel
The reliable performance of 20CrMo5 steel is a direct result of its carefully controlled chemical composition. The key alloying elements and their typical weight percentages are:
- Carbon (C): 0.17 – 0.22%
- Chromium (Cr): 1.20 – 1.50%
- Molybdenum (Mo): 0.40 – 0.50%
- Manganese (Mn): 0.60 – 0.90%
- Silicon (Si): 0.10 – 0.40%
Functioning and Reasoning of Chemical Elements
- Chromium (Cr) & Molybdenum (Mo): This combination is the core of 20MnCr5 steel. The low carbon content makes it soft and easy to machine, but the chromium and molybdenum enable it to be hardened to a high degree through the carburizing process, ensuring high surface hardness and excellent core strength.
- Manganese (Mn): Manganese improves the steel’s hardenability and tensile strength.
Hardness, Properties, and Applications of 20CrMo5
Hardness
After carburizing and heat treatment, the surface hardness of 20MnCr5 steel can reach a very high level, typically over 60 HRC, while the core maintains a toughness of around 30-40 HRC.
Properties
- High Surface Hardness: It is engineered to achieve a very hard, wear-resistant case for applications with high friction.
- Tough, Strong Core: Its low carbon core remains tough and ductile, which is crucial for withstanding impact and preventing brittle fracture.
- Good Machinability: In its annealed state, it is easily machined into complex shapes before the carburizing process.
- Excellent Fatigue Strength: The combination of a hard case and a tough core gives it superior resistance to fatigue.
Applications
20 MnCr5 steel is a premier grade used for a wide range of case-hardened components. Key applications include:
- Gears and Pinions
- Shafts and Bushings
- Crankshafts and Connecting Rods
- Automotive components subjected to high friction
- Tools and dies where a hard surface and tough core are required
Why Choose Jupiter Steels for 20MnCr5 ?
As a premier steel stockist in India, Jupiter Steels is your reliable partner. We are committed to providing you with top-notch materials and service.
- Certified Quality: We supply high-quality, genuine 20MnCr5 steel that meets international standards. Our reputation for excellence is a promise to our customers.
- Nationwide Supply Chain: While based in Delhi, our robust logistics network allows us to provide high-quality steel to customers across India, including Haryana, Manesar, Rajasthan, and other industrial areas.
- Expert Guidance: Our team has extensive knowledge of different steel grades. We don’t just sell steel; we provide expert advice to help you select the right material for your specific application.
20MnCr5 Steel FAQ Section
Q1: What is 20MnCr5 steel used for?
A\20MnCr5steel is primarily used for case hardening applications where a hard, wear-resistant surface is required, combined with a tough, ductile core.
Q2: What is “carburizing”?
A: Carburizing is a heat treatment process that adds carbon to the surface of the steel, allowing the surface to become very hard during subsequent heat treatment, while the core remains softer.
Q3: Can 20MnCr5 be welded?
A: Yes, 20MnCr5 steel can be welded, but it requires careful procedures. Preheating and post-weld heat treatment are recommended to maintain its properties.
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