Round EN24 Alloy Steel Bar

About Round EN24 Alloy Steel Bar

With an intention to provide best quality products to our customers, we have been able to manufacture and supply a wide range of Round EN24 Alloy Steel Bar to our prestigious clients. It is used in manufacturing of heavy-duty axles, shafts, gears, bolts, and studs. This alloy steel can be surface hardened to 50-60 HRC by nitride or induction process. It is capable to retain high impact value at low temperatures, thus is suitable for use in harsh applications including hydraulic bolt tensioners and ship borne mechanical handling equipment. EN 24 Alloy Steel is obtainable at very reasonable price to be able to provide our products to large number of people. Round EN24 Alloy Steel Bar Technical Specification Grade C Mn P S Si Ni Cr Mo 4340 0.38-0.43 0.60-0.80 0.035 max 0.040 max 0.15-0.35 1.65-2.00 0.70-0.90 0.20-0.30 Physical Properties Thermal Conductivity at C W / (m*K) 20 40.5 350 32.5 700 25.5 Heat Treatment Soft Annealing C 650-700 Cooling Slowly Hardness HB max. 280 Stress-relief Annealing C 630-650 Cooling Furnace 1st Pre-Heating C up to approx. 400 in an air-circulating furnace 2nd and 3rd 780 and 1000 Hardening C 1190-1230 Quenching at least 520C Oil, Air Tempering C at least twice 530-560 Hardness after Temperature HRC 64-66