655M13
£524.93
665M17 - 1.7% Nickel-Molybdenum Case Hardening Steel
Surcharge
The Scrap surcharge has reduced for February 2019 as a consequence of lower production volumes at the end of 2018 and a realignment with other European scrap surcharges.
Surcharge information as listed via Liberty Speciality Steels where possible, other based on mean chemical analysis for the given grade.
£419.51 per tonne
Surcharge Price History for 665M17
| FEB 18 | MAY 18 | AUG 18 | NOV 18 | TODAY |
|---|---|---|---|---|
| £414.30 | £428.06 | £477.18 | £457.95 | £419.51 |
Description
665M17 grade steel is a medium alloy nickel-molybdenum case-hardening steel which may be carburised and hardened to produce a hard wear resistant case developing a core strength of 770N/mm.
It has good impact properties, very good resistance to stock and freedom from temper brittleness.
Typical applications of 665M17 grade steel
- Gears
- Shafts
- Pinions
- Tappets
- Valve rockers
- Collets
- Track pins
- Steering balls and worms
- Transmission components
- Breech mechanisms
- Small arms parts
665M17 steel is still often referred to as EN34 steel - its equivalent grade under the previous BS 970: 1955 standard.
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PRODUCTION METHOD
Rolled or Forged
FINISHES
Black Bar or Bright Bar