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EN 353 Steel Supplier in India | High-Strength Case Hardening Steel
Introduction to EN 353 Steel
EN 353 steel is a premium nickel-chromium case hardening steel known for its exceptional core strength, toughness, and ability to be case hardened to a very hard, wear-resistant surface. This grade is specifically designed for highly stressed components that require a combination of high surface hardness and a tough, shock-absorbing core. Its unique alloy content makes it a superior choice for applications where fatigue resistance and durability are critical. At Jupiter Steels, based in Delhi, we are a trusted stockist and supplier of EN 353 steel, providing certified material to customers throughout India, including key industrial regions like Manesar, Haryana, and beyond.
Chemical Composition of EN 353 Steel
The reliable performance of EN 353 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 – 0.23%
- Manganese (Mn): 0.30 – 0.60%
- Chromium (Cr): 0.75 – 1.25%
- Nickel (Ni): 1.00 – 1.50%
- Molybdenum (Mo): 0.08 – 0.15%
Functioning and Reasoning of Chemical Elements
- Nickel (Ni): The nickel content in EN 353 steel significantly enhances the steel’s core strength and toughness, providing superior resistance to impact and fatigue, which is essential for highly stressed components.
- Chromium (Cr): Chromium increases hardenability and contributes to the surface hardness of the case, improving wear resistance.
- Low Carbon (C): The low carbon content allows the steel to remain tough and ductile at the core while enabling the carburizing process to create a hard outer layer.
Hardness, Properties, and Applications of EN 353
Hardness
After carburizing and heat treatment, the surface hardness of EN 353 steel can achieve a very high level, typically in the range of 58-62 HRC, while the core maintains a toughness that can range from 30-40 HRC.
Properties
- Exceptional Core Toughness: The nickel content provides a strong and tough core that resists shock loading and fatigue.
- High Surface Hardness: It is engineered to achieve a very hard, wear-resistant case, which is critical for components with high friction.
- Good Machinability: In its annealed state, it can be easily machined into complex shapes before the carburizing process.
Applications
EN 353 steel is a premier grade used for a wide range of case-hardened components. Key applications include:
- Heavy-duty Gears and Pinions
- Shafts and Bushings
- Crankshafts and Connecting Rods
- Highly stressed parts in the automotive, aerospace, and heavy machinery industries.
Why Choose Jupiter Steels for EN 353?
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 EN 353 steel that meets all required specifications. 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.
EN 353 Steel FAQ Section
Q1: What is EN 353 steel used for?
A: EN 353 steel is primarily used for highly stressed case-hardened components that require exceptional toughness and high surface hardness.
Q2: What is the main benefit of using EN 353 steel?
A: The main benefit is its superior combination of a very tough core and a highly wear-resistant surface, making it ideal for components under heavy impact and fatigue.
Q3: Can EN 353 be welded?
A: Welding EN 353 steel is possible but requires a careful pre-heating and post-weld heat treatment process to prevent cracking and maintain the material’s properties.
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