Macreadys - Products - USALOY 24 / USEN 24

General

Colour

White / Blue

Bright Drawn

BS 970: Part 3: 1991: 817M40

BS 970: 1955: En24

Hot Rolled

BS 970: Part 1: 1983: 817M40

BS EN 10083-1: 1991: 34CrNiMo6
BS 970: 1955: En24

Chemical Compostition	C	Mn	Si	S	P	Cr	Mo	Ni
Percentage	0.36-0.44	0.45-0.70	0.1-0.40*	0.040max	0.035max	1.00-1.40	0.20-0.35	1.30-1.70
The above composition applies to BS 970: 1991 & 1983 except :* Silicon content for BS 970: 1983 is 0.10-0.35%

Form of Supply

Bright Bars: Softened to HB 277 max.

Hot Rolled Bars: Softened to HB 277 max.

Inclusion Modified

Rounds Bright Drawn / Turned Stock Size Range - IQ

Size (ins)	3/8	1/2	5/8	3/4	7/8	1	1 1/4	1 1/2	1 3/4	2	2 1/2	3
Size (mm)	10	16	20	28	42	50

Rounds Hot Rolled Stock Size Range - IQ

Size (mm)	32	35	40	42	45	50	55	60	65	70	75	80	85	95
Size (mm)	100	110	120	130	140	150	160	170	180	220	240