Non-alloy case-hardening steel
C22 / 1.0402 non-alloy structural steel
C22 / C22E is non-alloy carbon steel for case hardening or light hardening. Slightly more carbon than C15, still not a C45.
- Delivery conditions
- +A / +FP
- Also known as
- 1.0402, C22E, Ck22, AISI 1020
Designations
- W.Nr.
- 1.0402
- EN standard
- C22E
- DIN
- Ck22
- AISI/SAE
- 1020
- UNS
- G10200
- JIS
- S20C
- Group
- Non-alloy structural steel
What it is used for
Smaller machine parts with a wear surface and tough core.
Limits
C15 when the core must be softer. C35/C45 when the whole section is to be included in the hardening.
Delivery
We source C22 from European mill partners as round bar, flat bar, square bar, cut to your dimensions and ship the certificate with the material. Typical condition: +A / +FP. Standard: C22E. From a single cut piece to larger lots — with no minimum charge, so you do not have to buy a full commercial length to get what you need.
Certificates and documentation
C22 can be supplied with a material certificate to EN 10204, depending on producer, dimension and the requirements specified for the delivery. The certificate documents the analysis and the delivery condition — not the finished case hardening, since case and core hardness only arise at the heat treater. If the hardening result is to be documented, that is a separate agreement. EN 10204 3.1 can be supplied on a wide range of our materials.
Dimension programme
| Form | Range | Note |
|---|---|---|
| Round bar | Ø10–200 mm | Cut to length. State Ø and condition. |
| Flat bar | Cut to order | State cross-section. |
| Square bar | Cut to order | State side length. |
The range is a delivery programme, not a stock statement. Length is cut to your drawing.
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Send your enquiry
State grade, dimensions and quantity — or attach a drawing. We reply with a quote.