709M40
£243.91
708M40 - 1% Chromium-Molybdenum Through Hardening Steel
Surcharge
The surcharge information provided is a guide to market scrap and alloy surcharges and is an averaged value taken from various suppliers’ surcharge mechanisms and isn’t therefore necessarily the surcharge applied to all material supplied. Please contact us if you want any further information.
£230.16 per tonne
Surcharge Price History for 708M40
| DEC 19 | MAR 20 | JUN 20 | SEP 20 | TODAY |
|---|---|---|---|---|
| £193.96 | £245.89 | £264.89 | £190.36 | £230.16 |
Description
708M40 grade steel is a versatile low alloy steel that possesses good tensile and shock resistance properties combined with ductility.
Its resistance to wear can be considerably increased by flame hardening and it is also suitable for nitriding (for maximum wear and abrasion resistance).
Bars are often supplied in the hardened and tempered condition with a tensile strength range of 850-1000N/mm². The bars are readily machinable so that the components can be put into service without the cost of further treatment.
Bars can also be supplied in the softened state which require hardening and tempering, but will give increased machinability.
Size Range
32mm - 860mm Dia
Typical applications of 708M40 grade steel
- Axle shafts
- Crankshafts
- Gears
- Induction hardened pins
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PRODUCTION METHOD
Rolled or Forged
FINISHES
Black Bar or Bright Bar