Case-Hardening Steel
Grade C10E (EN 10084)
Low carbon case-hardening steel with excellent surface hardness and tough core properties.
High wear resistance
Tough core - Hard surface
Excellent machinability
Case-Hardening Steel (EN 10084)
Grade C10E
C10E is a low carbon case-hardening steel according to EN 10084 standard. This grade offers excellent machinability in the soft condition and develops high surface hardness with a tough core after case hardening treatment.
Key Features
- Excellent case-hardening properties
- High wear resistance after heat treatment
- Tough core with hard surface
- Good machinability in soft condition
- Good weldability before heat treatment
- Low distortion during heat treatment
Applications
- Gears and gear wheels
- Shafts and spindles
- Automotive components
- Machine parts requiring wear resistance
- Pins and bolts
- Cam followers
- Small mechanical components
Heat Treatment
- Carburizing: 900-930°C
- Hardening: 780-820°C, oil quench
- Tempering: 150-200°C
- Case depth: 0.5-2.0mm typical
- Surface hardness: 58-62 HRC
- Core hardness: 25-40 HRC
Chemical Composition
- Carbon (C): 0.07-0.13%
- Manganese (Mn): 0.30-0.60%
- Silicon (Si): 0.40% max
- Phosphorus (P): 0.035% max
- Sulfur (S): 0.035% max
- Chromium (Cr): 0.30% max
Mechanical Properties (Normalized)
- Tensile Strength: 370-500 MPa
- Yield Strength: 220 MPa min
- Elongation: 23% min
- Hardness: 110-140 HB
- Impact Energy: 60J min (at 20°C)
Equivalent Grades
- AISI/SAE: 1010
- DIN: C10 / 1.0301
- BS: 040A10
- AFNOR: C10
- JIS: S10C
Available Forms
- Seamless tubes and pipes
- Cold drawn seamless (CDS)
- Hot rolled seamless
- Round bars
- Square and rectangular sections