EN9 | 070M55 grade steel is a medium carbon steel with good tensile strength.
Although this grade is capable of through hardening by quenching and tempering , it is more commonly supplied in the untreated or normalised condition.
It possesses good wear resistance, but poor weldability.
High Peak Steels stock offer EN9 in black steel round bar, flat bar and square bar.
UK Standard EN9 | European Grades C55, C60 | Werkstoff 1.0535 | SAE/AISI 1050
to talk to one of our advisors for more information, or email us at [email protected]
| Product | Min size | Max size |
|---|---|---|
 | 32mm dia | 500mm dia |
 | 40mm x 4mm | 100mm x 20mm |
 | 16mm | 50mm |
 |
| Product | Min size | Max size |
|---|---|---|
| 25mm | 50mm |
| ||
| ||
|
| C | Si | Mn | S | P | Cr | Ni | Mo | |
|---|---|---|---|---|---|---|---|---|
| Min | 0.5 | 0.1 | 0.5 | |||||
| Max | 0.6 | 0.4 | 0.9 | 0.05 | 0.05 | 0.3 | 0.4 | 0.15 |
| Yield N/mm2 | 0.2% proof N/mm2 | UTS (Rm) N/mm2 | Elong (A) % | Red of Area (Z) % | Hardness HB | Impact Test (KV) J |
|
|---|---|---|---|---|---|---|---|
| Normalised (min) | 355 | 700 | 12 | 201 | |||
| Normalised (max) | 255 | ||||||
| Drawn (min) | 600 | 750 | 7 | ||||
| Drawn (max) | |||||||
| Quenched & Tempered to condition R (min) | 415 | 700 | 14 | 201 | |||
| Quenched & Tempered to condition R (max) | 850 | 255 |
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