Nifty Alloys LLC are suppliers hot-rolled black bar. 708M40 is a similar grade to 709M40 but with a variation in the molybdenum content. As a high quality alloy steel specification 708M40 is usually supplied heat-treated to ‘T’ condition. This grade offers good ductility and shock resisting properties combined with resistance to wear. With these characteristics, it is a popular high tensile engineering steel with a tensile of 850°-1000N/mm². At low temperatures it has reasonably good impact properties. It is also suitable for a variety of elevated temperature applications.