Carbon Steel
EN9 Carbon Steel
British-standard medium carbon steel, roughly equivalent to 1055. Used where moderate strength and good machinability are needed without alloying additions.
Chemical Composition
| Element | Percentage (% by weight) |
|---|---|
| C | 0.5 - 0.6 |
| Mn | 0.5 - 0.8 |
| Si | max 0.35 |
| S | max 0.05 |
| P | max 0.05 |
Also known as
Comparable grades
- Comparable to AISI 1055, similar but not an identical grade.
Typical Applications
- Gears
- Shafts
- Spindles
- General engineering components
Buying This Grade in Pakistan
A British-standard equivalent to 1045-family carbon steel, useful to stock for buyers who specify by BS designation rather than AISI, common among older Pakistani engineering firms that still work from British-era standards and drawings.
Related reading
- 1045 carbon steel: the most ordered grade you've never thought about
1045 doesn't get the attention alloy or tool steels do, but it's likely the highest-turnover grade in a Pakistani steel supplier's catalog. Here's why.
Grade Family
Medium carbon steel (British standard)
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