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Alloy steel

Alloy Steel

ALLOY STEEL

Delivering trusted steel solutions with unmatched quality and service across India.

Engineered for demanding applications

Alloy Steel for demanding industrial applications.

Alloy steel refers to steel that can be fabricated almost flexibly by transforming iron into an alloy with manganese, chromium, nickel, molybdenum, vanadium, silicon, or boron. From such alloying, considerable improvement occurs in the strength, hardness, toughness, wear resistance, and corrosion resistance character of the steel, enabling the use of the material in demanding industrial applications.

Based on alloying proportions from 1% up to 50%, alloy steels can be classified into two categories:

Low Alloy Steel – low alloy steel normally has up to 5% of alloying elements and gives an excellent balance of strength versus cost.

High Alloy Steel – these steels have more than 5% alloying elements and are designed for better performance under extreme conditions.

In sectors such as oil and gas, automotive, manufacturing, and engineering, low-alloy steel is often equated to alloy steel due to its toughness and excellent performance under critical operations.

Available Alloy Steel Grades

GROUP 01

EN Series

En 31 En 24 En 353 En 19
GROUP 02

EN Carbon Series

En 8 En 8D En 9 En 47
GROUP 03

Other Grades

20 Mncrs SAE8620

Built for demanding industrial applications.

01 Oil & Gas components
02 Automotive parts and gears
03 Pressure vessels and pipelines
04 Power generation equipment
05 Tooling and engineering applications

Alloy Steel Composition

Element Content (%)
Carbon (C) 0.10 – 1.50
Manganese (Mn) 0.20 – 2.00
Chromium (Cr) 0.50 – 18.00
Nickel (Ni) 0.30 – 20.00
Molybdenum (Mo) 0.15 – 5.00
Vanadium (V) 0.10 – 5.00
Silicon (Si) 0.10 – 2.00
Boron (B) Up to 0.01
Key Properties

Performance that matters in demanding applications.

01

High tensile and yield strength

02

Excellent toughness and impact resistance

03

Improved wear and abrasion resistance

04

Enhanced corrosion and oxidation resistance

05

Superior hardenability

Two categories of Alloy Steel.

Low Alloy Steel: Up to 5% total alloying content
High Alloy Steel: Above 5% total alloying content

Supplying Alloy Steel across India.

Manjula Steel Industries is a trusted supplier of high-quality alloy and industrial metals, delivering excellence across India.

North & West India
Agra Alwar Ambala Anand Bhiwadi Dehradun Ghaziabad Haridwar Rudrapur Delhi Faridabad Kanpur Noida Gurgaon Manesar Kundali Chandigarh Waluj Vadodara Pimpri - Chinchwad Rajkot Jaipur
Central & East India
Ahmedabad Pithampur Surat Amravati Vadodara Indore Bhopal Ranchi Jamshedpur Howrah Kolkata Pune Thane Nashik Mumbai Navi Mumbai Nagpur
South India
Ambattur Bangalore Belgaum Chittoor Dindigul Hyderabad Ernakulam Chennai Secunderabad Visakhapatnam Coimbatore Mysore Nellore Kochi Tirupati Nazarathpet Kakinada Kurnool
Conclusion

Alloy steels are a specific combination of compositions and mechanical properties, thus having a vast range of uses in modern engineering and industry. They provide an economically viable answer in tough, economically low-alloy steels, to a high-alloy steel offering an ultra-high performance, and are the mainstay of automotive, oil and gas, aerospace, and power generation industries.

Grades like EN31, EN24, EN353, etc. can be used for various applications requiring excellent wear resistance, high tensile strength, and exceptional toughness under tensile loading conditions. Alloy steels remain invaluable in the industries because of their versatility in their designs, the ability to undergo thermal treatment processes, and applicability in the most important industries in the world.

Manjula Steels is a trusted supplier of high-quality alloy and industrial metals, delivering excellence across India.