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EN 1A Steel Supplier in India | Your Partner for High-Speed Free-Machining Steel
Introduction to EN 1A Steel
EN 1A steel is a popular and versatile free-machining steel known for its excellent machinability and high productivity in automated machining processes. It is a low carbon, non-alloy steel with a high sulfur content, which makes it ideal for producing parts that require complex shapes and a fine finish at high cutting speeds. This steel is a cost-effective solution for mass production of small components. At Jupiter Steels, based in Delhi, we are a trusted stockist and supplier of EN 1A steel, providing certified material to customers throughout India, including key industrial regions like Manesar, Haryana, and beyond.
Chemical Composition of EN 1A Steel
The outstanding performance of EN 1A steel is a direct result of its carefully controlled chemical composition. The key elements and their typical weight percentages are:
- Carbon (C): 0.07 – 0.15%
- Manganese (Mn): 0.80 – 1.20%
- Sulfur (S): 0.20 – 0.30%
- Phosphorus (P): 0.05 – 0.10%
Functioning and Reasoning of Chemical Elements
- High Sulfur (S): The high sulfur content is the most important element in EN 1A. It forms manganese sulfide inclusions within the steel, which act as chip breakers during machining. This allows for the formation of small, easily manageable chips, leading to higher cutting speeds, better surface finish, and longer tool life.
- Manganese (Mn): Manganese improves the steel’s machinability and strength, and it is essential for the formation of the manganese sulfide inclusions that make this steel free-machining.
- Phosphorus (P): Phosphorus enhances the steel’s machinability and strength.
Hardness, Properties, and Applications of EN 1A
Hardness
In its as-rolled or cold-drawn condition, EN 1A steel typically has a hardness in the range of 120-170 HB. This hardness is ideal for machining and does not require further heat treatment for most applications.
Properties
- Exceptional Machinability: This is its most well-known property. The composition is optimized for high-speed machining on automatic lathes and CNC machines.
- Good Surface Finish: The chips break cleanly, resulting in a smooth, bright surface finish on the final part.
- Low Carbon Content: It is a low-carbon steel, which means it can be easily cold-drawn to improve its dimensional accuracy and tensile strength.
- Moderate Strength: While not a high-strength steel, it provides sufficient mechanical properties for a wide range of non-critical applications.
Applications
EN 1A free-machining steel is a versatile grade used for a wide range of mass-produced components. Key applications include:
- Nuts and Bolts
- Studs and Threaded Rods
- Shafts for light-duty applications
- Spindles and Bushings
- Hydraulic fittings
- General engineering components
Why Choose Jupiter Steels for EN 1A?
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 1A 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.
EN 1A Steel FAQ Section
Q1: What is EN 1A steel used for?
A: EN 1A steel is primarily used for mass-produced components that require high-speed machining, such as bolts, nuts, and hydraulic fittings.
Q2: Can EN 1A be welded?
A: Due to its high sulfur content, EN 1A steel is not generally recommended for welding as the weld can be brittle and prone to hot cracking.
Q3: Is EN 1A suitable for high-strength applications?
A: No, EN 1A is a low-carbon steel and is not suitable for high-stress or critical structural applications where high strength is the primary requirement.
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