EN 5 Carbon Steel
We are EN 5 Carbon Steel Manufacturers, Suppliers, and Exporters in Mumbai, India. STEEL MART is an ISO 9001:2015 certified company established in 1986, with decades of experience in supplying high-quality carbon steel products to various industries. We specialize in manufacturing and supplying EN 5 Carbon Steels (070M20 / 080A25) that meet national and international quality standards for general engineering, automotive, and structural applications. EN 5 Carbon Steel is an unalloyed medium-low carbon steel known for its good tensile strength, excellent weldability, superior machinability, and reliable ductility. This grade is widely used in general engineering components requiring sound structural integrity and ease of fabrication. EN 5 is typically supplied in as-rolled, normalized, or bright drawn condition, ensuring consistent and reliable mechanical performance. This carbon steel grade is widely used for manufacturing shafts, axles, studs, bolts, keys, connecting rods, and levers.
Our EN 5 Carbon Steels are 100% Prime ā Tested & Guaranteed, ensuring precise chemical composition, dimensional accuracy, and consistent mechanical properties. Each product is supplied with proper Mill Test Certificates (MTC) confirming compliance with BS 970 / EN standards. STEEL MART follows strict quality control procedures and ensures timely delivery.
What is EN 5 Carbon Steel?
EN 5 Carbon Steel (BS 970 070M20 / 080A25) is an unalloyed medium-low carbon steel grade suitable for general engineering applications requiring higher tensile strength than mild steel while preserving excellent weldability and machinability. Supplied in bright drawn or hot rolled conditions, it provides smooth surface finishes and tight dimensional tolerances for precision components.
Superior Weldability
Low carbon equivalent allows easy welding without complex pre-heating.
Good Machinability
Easy to cut, turn, drill, and shape for precision machinery parts.
High Ductility
Formable and resilient for cold drawing and forging operations.
Bright Finish Option
Bright drawn bars provide accurate tolerances and clean surface finish.
Case Hardening
Can be carburized to form a tough wear-resistant outer layer.
Reliability
Guaranteed chemical composition and dimensional compliance.
Why Choose STEEL MART for EN 5 Carbon Steel
STEEL MART is the preferred choice for purchasing EN 5 Carbon Steel due to its strong reputation for quality and reliability. With over 40 years of experience in the steel industry, the company ensures that every product meets strict industry standards. The company follows strict quality inspection procedures to ensure that every EN 5 Carbon Steel product meets international standards.
Each product is carefully tested to ensure durability, strength, and performance. Customers trust STEEL MART for consistent quality, competitive pricing, and timely delivery. The company maintains a large inventory to meet urgent and bulk requirements efficiently. In addition to EN 5 Carbon Steels, STEEL MART also supplies a wide range of carbon steel and alloy steel products for various industrial applications.
Chemical Composition of EN 5 Carbon Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.25 ā 0.35 % |
| Manganese (Mn) | 0.60 ā 1.00 % |
| Silicon (Si) | 0.05 ā 0.35 % |
| Sulphur (S) | 0.050 % Max |
| Phosphorus (P) | 0.050 % Max |
This chemical composition ensures optimal strength, ductility, and weldability.
Equivalent Grades of EN 5 Carbon Steel
| Standard | Equivalent Grade |
|---|---|
| BS 970 | 070M20 / 080A25 / EN 5 |
| AISI / SAE | 1025 / 1030 |
| DIN / W.Nr. | C25 / C30 (1.0406 / 1.0528) |
| EN | C25E / C30E |
| JIS | S25C / S30C |
These equivalent grades ensure global compatibility across projects.
Mechanical Properties of EN 5 Carbon Steel
The mechanical properties of EN 5 Carbon Steels make them suitable for general engineering and structural components. In normalized or as-rolled condition, this grade delivers balanced tensile strength, high elongation, and reliable impact toughness.
Heat Treatment & Processing of EN 5 Carbon Steel
EN 5 Carbon Steels can be processed using standard heat treatment techniques.
Normalizing
Heated to 880Ā°Cā920Ā°C and air-cooled to refine grain structure.
Annealing
Heated to 870Ā°Cā900Ā°C for maximum softness and machinability.
Stress Relieving
Heated to 550Ā°Cā650Ā°C to eliminate machining stresses.
Carburizing / Case Hardening
Carburized at 880Ā°Cā930Ā°C to create a wear-resistant surface.
EN 5 Carbon Steel Industry Applications
EN 5 Carbon Steels are widely used across multiple industrial sectors.
General Engineering
Used for shafts, axles, studs, and spacers.
Automotive Sector
Used in low-stress levers, pins, and linkages.
Construction & Structures
Used in structural components and tie rods.
Fasteners & Machined Parts
Used for threaded rods, bolts, and nuts.
Agricultural Equipment
Used in farm machinery shafts and pins.
Industrial Machinery
Used in conveyor rollers and general fixtures.
Availability and Customization
At STEEL MART, we supply EN 5 Carbon Steels in a wide range of sizes and specifications.
| Diameter | Diameter ranging from 10 mm to 350 mm |
| Condition | Available in As-Rolled / Normalized / Bright Drawn condition |
| Length | Standard lengths from 3 meters to 6 meters |
| Finish | Bright drawn, black hot rolled, and turned finish available |
| Customization | Custom cut sizes available as per project requirements |
| Services | Machining, cutting, turning, and grinding services available |
| Certification | Supplied with Mill Test Certificates and inspection reports |
Our strict quality control ensures consistent quality.
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EN 5 Carbon Steel (BS 970 070M20 / 080A25) is a versatile low-to-medium carbon engineering steel widely used in general engineering, automotive, and machinery manufacturing. With its exceptional weldability, good machinability, and uniform mechanical properties, it provides long-term reliability for shafts, axles, studs, connecting rods, and levers. Supplied by STEEL MART with strict quality control and Mill Test Certification, EN 5 Carbon Steel is a cost-effective and dependable solution for engineering applications.
Frequently Asked Questions
Common answers regarding EN 5 Carbon Steel specifications and parameters.
It offers an ideal combination of excellent weldability, good machinability, higher tensile strength, and cost efficiency.
Yes, its low carbon equivalent allows standard welding processes without pre-heating.
BS 970 070M20 / 080A25, AISI 1025 / 1030, and DIN C25 (1.0406).
Yes, it can be carburized to create a hard wear-resistant outer surface with a ductile core.
Round bars, Flat bars, Hex bars, Plates, Sheets, and custom cut sizes.