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Product Overview
Introduction To Engineering Steel 47
MOKSH TUBES & FITTINGS LLP is a manufacturer, supplier, exporter, importer, and stockist of EN 47 steel products such as bars, shafts, rods, and components for engineering applications.
EN 47, is a high carbon chromium alloy steel known for its excellent hardness, wear resistance, and high tensile strength after heat treatment. It is commonly used for manufacturing springs, gears, and other mechanical components requiring high fatigue strength and resistance to wear and tear.
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Engineering Steel EN47 Specifications
| Category | Details |
|---|---|
| Grade | EN47 (High Carbon Chromium Spring Steel) |
| Type | Spring Steel / High Carbon Alloy Steel |
| Chemical Composition | C 0.45–0.53%, Cr 0.80–1.10%, Mn 0.50–0.80%, Si 0.17–0.37% |
| Conditions Available | Annealed, Hot Rolled, Cold Drawn, Hardened & Tempered |
| Heat Treatment | Hardening, Tempering, Stress Relieving |
| Testing | Tensile, Hardness, Chemical, UT |
| Certification | EN 10204 3.1 / 3.2 |
Chemical Composition of EN47 Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.45 – 0.53 |
| Silicon (Si) | 0.17 – 0.37 |
| Manganese (Mn) | 0.50 – 0.80 |
| Chromium (Cr) | 0.80 – 1.10 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
EN47’s chromium-rich chemistry enhances hardenability, fatigue life, wear resistance, and overall toughness.
Physical Properties of EN47 Steel
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Melting Range | 1358 – 1400 °C | 2480 – 2550 °F |
| Modulus of Elasticity (Tension) | 200 GPa | 29,000 ksi |
| Modulus of Elasticity (Torsion) | 80 GPa | 11,600 ksi |
| Poisson’s Ratio | 0.29 | — |
| Thermal Conductivity | 44 W/m·K | — |
| Specific Heat Capacity | 460 J/kg·K | — |
Heat Treatment of EN47 Steel
| Process | Temperature Range | Cooling Method |
|---|---|---|
| Annealing | 760 – 780 °C | Slow furnace cool |
| Hardening | 820 – 860 °C | Oil quench |
| Tempering | 400 – 600 °C | Air cool |
| Stress Relieving | 500 – 650 °C | Hold 1–2 hours |
👉 Typical hardness after quenching & tempering: 45 – 52 HRC
Mechanical Properties of EN47 Steel
| Property | Annealed | Hot Finished | Cold Drawn | Hot Rolled |
|---|---|---|---|---|
| Tensile Strength (MPa) | 586–724 | 620–827 | 655–931 | 586–758 |
| Yield Strength (MPa) | 345–448 | 414–690 | 448–758 | 345–517 |
| Elongation (%) | 20–25 | 15–25 | 12–18 | 18–25 |
| Brinell Hardness (HB) | 150–200 | 180–250 | 200–270 | 150–210 |
| Rockwell Hardness | 80–90 B | 85–95 B | 20–30 C | 80–90 B |
International Standards & Equivalent Grades of EN47 Steel
| Standard | Equivalent Grade |
|---|---|
| BS | EN47 |
| AISI / ASTM | A228 (Spring steel equivalent) |
| DIN | 50CrV4 (Close match) |
| JIS | SUP10 |
| GB | 60CrMnA |
Products in Engineering Steel 47
Engineering Steel 47 is typically available in:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
✔
Custom Fabricated Components
Engineering Steel 47 products are produced to the following global standards:
Uses and Advantages
High hardness and tensile strength after heat treatment
Excellent wear resistance
Good fatigue strength
Suitable for dynamic and heavy-load applications
Consistent quality and machinability
Applications of Engineering Steel 47
Engineering Steel 47 is widely used for applications requiring high wear resistance and fatigue strength:
Spring Manufacturing
Used extensively for making leaf springs, coil springs, and other spring types.
Automotive Components
Gears, shafts, and transmission components that require durability.
Mechanical Engineering
Heavy-duty machine parts subjected to cyclic loading and wear.
Tool Making
Components requiring high hardness and wear resistance.
WHY CHOOSE US?
EN47 Steel Price in India
Typical Range: ₹120 – ₹210 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is EN47 steel used for?
EN47 steel is widely used for manufacturing springs, gears, shafts, automotive components, and heavy duty machinery parts requiring high wear resistance and fatigue strength.
What are the key properties of EN47 steel?
EN47 steel offers excellent hardness, wear resistance, high tensile strength, and fatigue resistance, making it ideal for dynamic and heavy-load applications.
In what forms is EN47 steel available?
EN47 steel is available in bars, rods, sheets, plates, pipes, tubes, flanges, fasteners, and custom fabricated components to meet diverse engineering requirements.
Is EN47 steel heat treated?
Yes, EN47 steel is typically heat-treated to achieve high hardness, wear resistance, and optimal mechanical properties for demanding applications.
Why choose MOKSH TUBES & FITTINGS LLP for EN47 steel?
We offer premium quality EN47 steel, customized sizes, global sourcing, strict quality control, timely delivery, and expert technical support, ensuring reliable and high-performance solutions.
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For quotations and inquiries about EN47 steel bars, springs, and components, contact Moksh Tubes & Fittings LLP — your trusted partner for alloy steels.
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