Nickel Chromium Molybdenum Steel Hardened and Tempered – Round
Grade: 817M40

Finish: Bright Drawn/Turned

USEN 24T/USALOY 24T –
Nickel Chromium Molybdenum Steel Hardened and Tempered –
Colour: White/Brown
Bright: BS 970: Part 3: 1991: 817M40, BS 970: 1955: EN24T
Nearest Equivalent to AISI SAE4340

Form of Supply:

Bright Bars: Hardened and Tempered to T condition.

Stocked sizes – Bright Drawn/Turned

Imperial Diameters (inches)

1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1.1/8, 1.1/4, 1.3/8, 1.1/2, 1.5/8, 1.3/4, 1.7/8, 2, 2.1/4, 2.1/2. 2.3/4, 3 & 3.1/2

Metric Diameters (mm)

10, 12, 16, 20, 22, 25, 28, 30, 32, 35, 38, 40, 42, 45, 50, 55 & 60

Lengths – Standard bar lengths are 3/3.5 metres