Engineering grade
C45 Steel
Medium-carbon steel designation used across general engineering.
General grade information
C45 is a medium-carbon steel designation broadly used in general engineering for parts that need a balance of strength and machinability.
Typical applications
- Shafts, bolts and pins
- General machine parts
- Machinery components
Product forms, subject to availability
- Heavy Rounds
- MS Plates
- C-45 Plates
Typical chemical composition — EN 10083-2 C45 (1.0503)
| Element | Typical range (%) |
|---|---|
| Carbon (C) | 0.42 – 0.50 |
| Manganese (Mn) | 0.50 – 0.80 |
| Silicon (Si) | ≤ 0.40 |
| Sulphur (S) | ≤ 0.035 |
| Phosphorus (P) | ≤ 0.030 |
Equivalent grades
- CK45 / C45E
- IS 45C8
- AISI 1045
- 080M46
Equivalents are approximate. Reference ranges only — actual batch values confirmed per enquiry.
About our C45 stock
The information above is general for the C45 designation. Exact composition, hardness, strength and heat-treatment condition of a specific batch are not stated here and must be confirmed per enquiry.
Availability subject to current stock confirmation. Grades, sizes, lengths and quantities vary with current inventory.
Material documentation can be discussed and confirmed against the specific requirement and available records.
Other grades: EN8 · EN9 · EN19 · EN24 · P20 · EN31 · MS · S235JR · S275JR · ASTM A36
Enquire about C45
Include any documentation you require — it is recorded with your enquiry and verified before any commitment.