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Product Overview
Introduction To EN8 Steel – Chemical Composition, Properties, and Applications / UNS R60702
MOKSH TUBES & FITTINGS LLP proudly manufactures, supplies, exports, imports, and stocks a wide range of EN8 Steel – Chemical Composition, Properties, and Applications (UNS R60702) products. Our offerings include Pipes & Tubes, Fittings, Flanges, Fasteners, Sheets, Plates, Coils, Wires, Bars, Welding Rods, and Custom-Engineered Components—all tailored to meet the needs of demanding industries.
EN8 702 is a commercially pure zirconium alloy known for its exceptional corrosion resistance, particularly in aggressive chemical environments like strong acids and alkalis. With excellent weldability, ductility, and mechanical strength, it’s a go-to material for applications that require purity, performance, and longevity.
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Engineering Steel EN8 Specifications
| Category | Details |
|---|---|
| Grade | EN 8 / C35 / SAE 1040 |
| Type | Medium Carbon Steel |
| Typical Chemical Composition | C 0.36–0.44%, Mn 0.60–0.90%, P ≤ 0.040%, S ≤ 0.050% |
| Conditions | Annealed, Normalized, Hot Rolled, Cold Drawn |
| Heat Treatment | Quenching & Tempering, Stress Relieving |
| Testing | Tensile, Hardness, Chemical, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 |
Chemical Composition of EN8 Steel
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.36 – 0.44 |
| Manganese (Mn) | 0.60 – 1.00 |
| Silicon (Si) | ≤ 0.05 |
| Sulfur (S) | ≤ 0.05 |
| Phosphorus (P) | ≤ 0.05 |
| Iron (Fe) | Balance |
EN8’s medium carbon content provides higher strength, hardness, and wear resistance compared to mild steel.
Mechanical Properties of EN8 Steel
| Property | Annealed | Hot Finished | Cold Drawn | Hot Rolled | Sheet |
|---|---|---|---|---|---|
| Tensile Strength (MPa) | 517–586 | 586–758 | 620–758 | 517–620 | 482–586 |
| Yield Strength (MPa) | 241–345 | 345–552 | 414–552 | 241–379 | 207–345 |
| Elongation (%) | 25–30 | 15–25 | 15–20 | 20–25 | 20–30 |
| Brinell Hardness (HB) | 130–160 | 160–210 | 160–190 | 130–160 | — |
| Rockwell Hardness | 70–80 B | 80–90 B | 80–90 B | 70–80 B | 70–80 B |
Uses and Advantages of EN8 Steel
Higher strength than mild steel (EN3B)
Readily machinable and weldable
Cost-effective for structural and automotive
Moderate wear and fatigue resistance
Applications of EN8 Steel
Engineering Steel 8 is widely used in mechanical engineering for parts that need better mechanical strength than mild steel but don’t require high hardenability or extreme corrosion resistance.
Chemical Processing
Oil & Gas
Marine
Pharmaceutical
Heat Exchangers
Power Plants
Why Choose Moksh Tubes?
Frequently Asked Questions (FAQ)
What is EN8 steel used for?
EN8 is commonly used for shafts, axles, studs, gears, bolts, automotive parts, and engineering components.
Can EN8 be hardened?
Yes — through flame or induction hardening, EN8 can reach 50–55 HRC on the surface.
Is EN8 easy to machine?
Yes, EN8 offers good machinability in normalized condition.
What are the equivalents to EN8?
Equivalent grades include AISI 1040, DIN C40, JIS S40C, 080M40, and IS C40.
Do you supply EN8 in round bars and plates?
Yes — EN8 is available in Round Bars, Flats, Squares, Plates, Pipes, Tubes, and Forgings.
Looking for a Reliable EN8 Steel Supplier?
Whether you require pipes, tubes, sheets, plates, bars, flanges, fittings, fasteners, or custom-fabricated components, Moksh Tubes & Fittings LLP is your trusted partner for certified high-quality engineering steel products.
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