high alloy steel round bar EN24

EN24 VD round bar

EN24/4340/40CrNiMoA/1.6511 Forged Steel Bar/Alloy Steel Rod/ Steel Round Bar

Chemical Composition(%)

Steel Grade	C	Si	Mn	P	S	Cr	Mo	Ni
34CrNiMo6	0.30-0.38	≤ 0.40	0.50-0.80	≤ 0.035	≤ 0.035	1.30-1.70	0.15-0.30	1.30-1.70
1.6582	0.30-0.38	≤ 0.40	0.50-0.80	≤ 0.035	≤ 0.035	1.30-1.70	0.15-0.30	1.30-1.70
4340	0.38-0.43	0.15-0.35	0.60-0.80	≤ 0.035	≤ 0.040	0.70-0.90	0.20-0.30	1.65-2.00
SNCM439	0.36-0.43	0.15-0.35	0.60-0.90	≤ 0.030	≤ 0.030	0.60-1.00	0.15-0.30	1.60-2.00
40CrNiMoA	0.37-0.44	0.17-0.37	0.50-0.80	≤ 0.030	≤ 0.030	0.60-0.90	0.15-0.25	1.25-1.65

Applications

It is generally used for making important parts with high strength and good plasticity, and for making important parts with special performance requirements after nitrogen treatment, such as shafts, gears and fasteners

Stock size:

10mm 20mm 25mm30mm 40mm 50mm 60mm 75mm 80mm......280mm