Case Hardening Steels / Case Carburizing Steels

When it comes to enhancing the surface properties of steels to achieve superior wear resistance and toughness, case hardening or case carburizing is a widely employed technique. This process involves adding carbon to the surface of low-carbon steels to form a harder outer layer while maintaining the toughness of the core. In this guide, we will explore various popular case hardening steels, their available shapes and sections, production routes, and the different forms in which they are offered, providing you with a comprehensive overview of these materials.

1. 16MnCr5
- Shapes & Sections: Rounds, Squares, RCS (Round Cornered Squares), Flats, Hexagons, Wire
- Size Range: 5mm to 250mm (Rounds), 5mm to 150mm (Squares), 16mm to 80mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: Non-Vacuum Degassed (NVD) Route, Vacuum Degassed (VD) Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ (Cold Heading Quality)

2. 20MnCr5
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 300mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

3. 15Cr3
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 200mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 100mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

4. EN 32B
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 200mm (Rounds), 5mm to 150mm (Squares), 16mm to 80mm (RCS), 10mm to 80mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

5. EN 36
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 200mm (Rounds), 5mm to 150mm (Squares), 16mm to 80mm (RCS), 10mm to 80mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

6. SAE:8620
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 250mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

7. EN353
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 300mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

8. EN354
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 300mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

**9. EN-355:**
- Shapes & Sections: Rounds, Squares, RCS, Flats, Hexagons, Wire
- Size Range: 5mm to 300mm (Rounds), 5mm to 150mm (Squares), 16mm to 100mm (RCS), 10mm to 150mm (Flats), 10mm to 75mm (Hexagons), 5mm to 10mm (Wire)
- Production Routes: NVD Route, VD Route
- Forms: As Rolled, Annealed, Normalized, Spheroidize Annealed, CHQ

We hope this comprehensive guide provides you with valuable insights into the world of case hardening steels and helps you make informed decisions for your specific needs. For more detailed information on individual grades or any other inquiries, please feel free to contact us.

(Note: The information provided above is for illustrative purposes only and may vary based on specific manufacturers and suppliers.)