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John W Laycock Product & Service Guide 2019

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Engineering Grades<br />

605M36 (EN16) Low Alloyed Manganese-Moly Steel<br />

A through hardening steel with good resistance to shock and<br />

excellent ductility with freedom from temper embrittlement<br />

attainable. Applications include low endurance connecting rods,<br />

high tensile bolts & nuts, hub spindles and lifting gear spindles.<br />

Size range: 35mm to 240mm diameter<br />

709M40 (EN19) Low Alloy Chrome-Moly Steel<br />

Material can be supplied untreated, annealed or Q & T. Bars<br />

commonly supplied in the heat treated condition. A low alloy<br />

steel that possesses good tensile and shock resistance<br />

properties. Wear resistance can be increased by flame<br />

hardening and with ‘is suitable for nitriding. A through hardening<br />

steel capable of surface hardening by nitriding. Applications<br />

axles, shafts, gears and induction harden pins.<br />

Size range: 25mm to 381mm diameter<br />

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