EN Series (Alloy Steel)
EN Series (Alloy Steel) Product Showcase
Browse high-strength alloy steels engineered for heavy dynamic loads, wear resistance, and high-stress applications.
Steel Grades: EN24, EN19 & EN31
Review key chemical compositions and mechanical properties for featured EN Series alloy steel grades.
EN24 GRADE STEEL
Ni-Cr-Mo Alloy Steel
EN24 High Tensile Alloy Steel
A nickel-chromium-molybdenum steel combining high tensile strength, ductility, and shock resistance.
EN19 GRADE STEEL
Cr-Mo Alloy Steel
EN19 High Tensile Steel
A high quality chromium-molybdenum alloy steel offering high fatigue resistance and tough core properties.
EN31 GRADE STEEL
High Carbon Cr Bearing Steel
EN31 High Carbon Alloy Steel
A high carbon chromium alloy steel offering exceptional surface hardness, wear resistance, and compressive strength.
Area of Applications
EN Series alloy steels (EN24, EN19 & EN31) are used across high-stress engineering and precision bearing environments.
EN24 / EN19Heavy Shafts & Connecting Rods
Power transmission shafts and engine connecting rods subjected to heavy mechanical strain.
EN24 / EN19Aircraft Parts & Crankshafts
Critical aerospace structural components and heavy-duty engine crankshafts.
EN24 / EN19Gears & Axles
Drive axles, transmission gears, and load-bearing drive train components.
EN24 / EN19Bolts & High-Stress Components
High-tensile structural bolts, fasteners, and heavy machinery parts under extreme stress.
EN31Ball Bearings & Rollers
Precision ball bearings, roller bearings, and races operating under high continuous load.
EN31Precision Tools
Machining gauges, precision tools, and high-wear resistance tooling inserts.
EN31Gauges & Dies
Measuring gauges, forming dies, and punches demanding high surface hardness.
Technical Data
Chemical composition and mechanical properties for EN Series Alloy Steel (EN24, EN19 & EN31).
| Element | Composition range |
|---|---|
| Carbon (C) | 0.35–0.45% |
| Chromium (Cr) | 0.90–1.40% |
| Nickel (Ni) | 1.30–1.80% |
| Molybdenum (Mo) | 0.20–0.35% |
| Element | Composition range |
|---|---|
| Carbon (C) | 0.35–0.45% |
| Chromium (Cr) | 0.90–1.50% |
| Molybdenum (Mo) | 0.20–0.35% |
| Element | Composition range |
|---|---|
| Carbon (C) | 0.90–1.20% |
| Chromium (Cr) | 1.00–1.60% |
| Manganese (Mn) | 0.30–0.75% |
| Property | Value |
|---|---|
| Tensile Strength | 850–1000 MPa |
| Yield Strength | 680 MPa |
| Property | Value |
|---|---|
| Tensile Strength | 700–850 MPa |
| Yield Strength | 500 MPa |
| Property | Value |
|---|---|
| Hardness (Annealed) | 229–269 HB |
| Hardness (Hardened) | 58–62 HRC |
Note: Values shown are reference ranges for presentation purposes and may vary by standard, supplier, product form and heat treatment. Confirm material certificates and applicable standards before purchase or production use.
Looking for the Right EN Series Alloy Steel Grade?
Review the material data and match the grade to your shafts, gears, bearings, and high-stress engineering requirements.