EN34 (665M17) is a 2% nickel, molybdenum case hardening steel grade. EN34 (665M17) is suitable for applications requiring wear resistance and shock resistance.
It offers good core strength and impact properties with little temper brittleness. Combining good core strength, toughness and fatigue resistance EN34 (665M17) can be case hardened up to 60HRc.
High Peak Steels stock EN34 (665M17) in black steel round bar.
UK Standard EN34 | SAE/AISI 4615
to talk to one of our advisors for more information, or email us at sales@highpeaksteels.com
| Product | Min size | Max size |
|---|---|---|
 | 50mm dia | 200mm dia |
 | ||
 | ||
 |
| C | Si | Mn | S | P | Cr | Ni | Mo | |
|---|---|---|---|---|---|---|---|---|
| Min | 0.14 | 0.1 | 0.35 | 1.5 | 0.2 | |||
| Max | 0.2 | 0.4 | 0.75 | 0.04 | 0.035 | 0.3 | 2 | 0.3 |
| 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 | 207 | ||||||
| Quenched & Tempered | 770mm max | 12 |
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