EN24 steel round bars
EN24 is a nickel-chromium-molybdenum alloy steel, also known as EN 24, 4340. MD Steel Co. holds EN24 round bars in stock at N.I.T. Faridabad, cut to size and supplied with a mill test certificate.
Typical uses
Heavy-duty shafts, gears, axles and highly stressed automotive parts.
EN24 sizes in stock
ROUND BARS · DIAMETER (MM)
16 · 20 · 22 · 28 · 40 · 45 · 50 · 56 · 60 · 63 · 70 · 75 · 80 · 90 · 95 · 100 · 105 · 110 · 120 · 125 · 130 · 142 · 152 · 155 · 160 · 165 · 170 · 180 · 185 · 190 · 195 · 200 · 205 · 210 · 220 · 225 · 230 · 235 · 240 · 245 · 255 · 260 · 270 · 280 · 285 · 290 · 310 · 330 · 340 · 350 · 360 · 370 · 380 · 400 · 410 · 420 · 430 · 460 · 475
Stock changes daily. See the live stock list or ask us for current availability.
Chemical composition
| ELEMENT | WT % |
|---|---|
| C | 0.36–0.44 |
| Si | 0.10–0.35 |
| Mn | 0.45–0.70 |
| Ni | 1.30–1.70 |
| Cr | 1.00–1.40 |
| Mo | 0.20–0.35 |
Equivalent grades
| STANDARD | GRADE |
|---|---|
| AISI / SAE | 4340 |
| DIN / W.Nr | 34CrNiMo6 · 1.6582 |
| JIS | SNCM439 |
| BS 970 | 817M40 |
Typical ranges per the relevant standard. Exact values are on the mill test certificate supplied with each lot.