Case Hardening Steel
Case Hardening Steel Product Showcase
Browse low carbon alloy steels designed for high surface wear resistance and excellent core toughness.
Steel Grades: EN353, 8620, 20MnCr5 & 16MnCr5
Review key chemical compositions and mechanical properties for featured case hardening grades.
EN353 GRADE STEEL
Ni-Cr-Mo Case Hardening Steel
EN353 Alloy Steel
A nickel-chromium-molybdenum alloy steel offering high surface hardness, fatigue strength, and core strength.
8620 GRADE STEEL
AISI / SAE 8620
8620 Case Hardening Steel
A nickel-chromium-moly low-carbon alloy steel with high core toughness, ductility, and uniform hard case depth.
20MNCR5 GRADE
DIN 1.7147 / 20MnCr5
20MnCr5 Case Hardening Steel
A widely used chromium-manganese steel offering optimal combination of high wear resistance and high core toughness.
16MNCR5 GRADE
DIN 1.7131 / 16MnCr5
16MnCr5 Case Hardening Steel
A chromium-manganese alloy steel designed for good machinability, high core toughness, and surface wear resistance.
Area of Applications
Case hardening steel grades (EN353, 8620, 20MnCr5, 16MnCr5) excel in high-friction automotive and drive components.
EN353 / 20MnCr5Gears
Spur, helical, and bevel gears operating under extreme surface contact pressure and shock loads.
EN353 / 8620Camshafts
Precision automotive camshaft lobes requiring friction endurance and high surface wear protection.
8620 / 16MnCr5Pins & Bearings
Gudgeon pins, king pins, and bearing rollers with hard wear-resistant outer casing.
20MnCr5 / 16MnCr5Automotive & Gear Shafts
Engine gear shafts and heavy-duty automotive drivetrain components.
8620 / EN353Crankshafts, Worm Gears & Pinions
High-torque crankshafts, precision worm gears, and drive pinions.
20MnCr5 / EN353Transmission Shafts
Power transmission shafts providing smooth torque delivery without torsional deformation.
20MnCr5 / 16MnCr5Drive Components
Heavy machinery drive hubs, couplings, and power train linkages.
16MnCr5 / 8620Clutch Components & Precision Parts
Clutch hubs, pressure plates, and high-precision machinery components.
Technical Data
Chemical composition and mechanical properties for Case Hardening Steel (EN353, 8620, 20MnCr5 & 16MnCr5).
| Element | Composition range |
|---|---|
| Carbon (C) | 0.14–0.20% |
| Manganese (Mn) | 0.60–1.00% |
| Chromium (Cr) | 0.75–1.25% |
| Nickel (Ni) | 1.00–1.50% |
| Molybdenum (Mo) | 0.08–0.15% |
| Element | Composition range |
|---|---|
| Carbon (C) | 0.18–0.23% |
| Chromium (Cr) | 0.40–0.60% |
| Nickel (Ni) | 0.40–0.70% |
| Molybdenum (Mo) | 0.15–0.25% |
| Element | Composition range |
|---|---|
| Carbon (C) | 0.17–0.22% |
| Manganese (Mn) | 1.10–1.40% |
| Chromium (Cr) | 1.00–1.30% |
| Element | Composition range |
|---|---|
| Carbon (C) | 0.14–0.19% |
| Manganese (Mn) | 1.00–1.30% |
| Chromium (Cr) | 0.80–1.10% |
| Property | Value |
|---|---|
| Core Tensile Strength | 700–900 MPa |
| Surface Hardness | 60–62 HRC |
| Property | Value |
|---|---|
| Core Tensile Strength | 650–850 MPa |
| Surface Hardness | 58–62 HRC |
| Property | Value |
|---|---|
| Core Tensile Strength | 650–900 MPa |
| Surface Hardness | 58–62 HRC |
| Core Toughness | High |
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.
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