High-Carbon Engineering Steel For Wear-Resistant Applications
EN 41B is a higher-carbon engineering steel offering a combination of strength, hardness and wear resistance for demanding industrial components.
It is suitable for shafts, gears, sprockets, cams, crankshafts, machine components and other applications where durability and surface hardness are important.
Available Forms: Round Bars | Flats | Blocks | Custom Sizes
Key Features
Built For Strength, Hardness & Wear Resistance
High Carbon Content
Approximately 0.50–0.60% Carbon Provides Higher Attainable Hardness Than Lower-carbon Engineering Steels.
High Wear Resistance
Suitable For Components Exposed To Repeated Friction And Mechanical Wear.
Good Tensile Strength
Provides Strong Mechanical Performance In Normalized And Hardened-and-tempered Conditions.
Surface Hardenability
Can Be Flame Or Induction Hardened To Develop High Surface Hardness.
Good Machinability
Can Be Machined In Suitable Normalized Or Annealed Conditions.
Heat Treatable
Can Be Normalized, Hardened And Tempered To Achieve The Required Property Combination.
EN 9 — Technical Specifications
| Property | Specification |
|---|---|
| Material | EN 9 |
| BS Designation | 070M55 |
| Steel Type | High-Carbon Unalloyed Engineering Steel |
| Carbon (C) | 0.50–0.60% |
| Silicon (Si) | 0.10–0.40% |
| Manganese (Mn) | 0.50–0.90% |
| Phosphorus (P) | 0.050% Max |
| Sulphur (S) | 0.050% Max |
| Available Forms | Round Bars, Flats, Blocks* |
| Supply | Full Length / Cut-to-Size |
| Element | Typical Composition |
|---|---|
| Carbon (C) | 0.50–0.60% |
| Silicon (Si) | 0.10–0.40% |
| Manganese (Mn) | 0.50–0.90% |
| Phosphorus (P) | ≤ 0.050% |
| Sulphur (S) | ≤ 0.050% |
| Iron (Fe) | Balance |
Where EN 41B Is Used
Shafts & Axles
For Rotating And Load-bearing Engineering Components.
Gears & Sprockets
Suitable For Selected Power-transmission Applications.
Cams & Crankshafts
Used For Mechanical Components Exposed To Repeated Loading And Wear.
Machine Tools
Suitable For Selected High-strength Machine Components.
Keys & Pins
For Machined Components Requiring Strength And Durability.
Pulleys & Rings
Suitable For Components Exposed To Repeated Mechanical Contact.
Knives & Cutting Components
Used In Selected Applications Where Hardness And Edge Retention Are Important.
EN 41B can be heat-treated to modify its hardness, strength, and toughness.
| Treatment | Typical Temperature | Cooling |
|---|---|---|
| Annealing | 680–710°C | Furnace cooling |
| Normalizing | 810–840°C | Still air |
| Hardening | 810–840°C | Oil / Water |
| Tempering | 550–660°C | Air |
Available In The Form You Need
Round Bars
Suitable For Shafts, Axles, Gears, pins, and general engineering components.
Flats
For Machining, Tooling And Industrial Component Requirements.
Blocks
Suitable For Machining And Component Manufacturing.
Custom Sizes
Material Prepared According To Specified Dimensions, Subject To Availability.
Full Length
Available According To Tsi Metals’ Stock And Size Requirements.
Supply Condition
As-rolled
Suitable For General Applications Where Heat Treatment Is Not Immediately Required.
Normalized
Provides A More Uniform Structure And Balanced Mechanical Properties.
Annealed
Suitable Where Lower Hardness And Improved Machinability Are Required.
Hardened & Tempered
For Applications Requiring Higher Strength And Controlled Hardness.
Full Length
Supplied According To Available Dimensions.
Cut-to-size
Prepared According To Customer Requirements.
Share your requirement with our team and get the right steel solution for your application.
