Engineering grade
EN19 Steel
Chromium-molybdenum alloy steel for higher-strength components.
General grade information
EN19 is a chromium-molybdenum alloy steel designation, generally selected for components needing higher strength and toughness than plain carbon steels.
Typical applications
- Gears and pinions
- Heavy-duty shafts and axles
- Automotive and machinery components
Product forms, subject to availability
- Heavy Rounds
- Forged Shafts
Typical chemical composition — BS 970 709M40
| Element | Typical range (%) |
|---|---|
| Carbon (C) | 0.36 – 0.44 |
| Manganese (Mn) | 0.70 – 1.00 |
| Silicon (Si) | 0.10 – 0.40 |
| Chromium (Cr) | 0.90 – 1.20 |
| Molybdenum (Mo) | 0.25 – 0.35 |
Equivalent grades
- 709M40
- IS 40Cr4Mo3
- AISI 4140
- DIN 42CrMo4 (1.7225)
Equivalents are approximate. Reference ranges only — actual batch values confirmed per enquiry.
About our EN19 stock
The information above is general for the EN19 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 · EN24 · C45 · P20 · EN31 · MS · S235JR · S275JR · ASTM A36
Enquire about EN19
Include any documentation you require — it is recorded with your enquiry and verified before any commitment.