709M40T / EN19T - ACTON BRIGHT STEEL TECHNICAL GUIDE
709M40T / EN19T is a 1% chromium molybdenum steel which is supplied in the bright drawn, turned and hot rolled condition. 709M40T / EN19T is supplied in the hardened and tempered “T “ condition and with added molybdenum, it not only offers high tensile strength but with its high shock and load tolerance characteristics, together with being able to machine the material extremely accurately, it has become popular in the automotive sector for use in engine gear boxes, axles, and drive shafts. 709M40T / EN19T can also be flame induction hardened or nitrided to maximise the wear and abrasion characteristics of the material and in recent years it has also become an established material in the Petrochemical, Oil & Gas sector. See properties below and our hardness comparison table under the Useful Information section on our website.