Gost 12h2n4a bar 2-120mm round bar profile round steel bar 0.5-2 meters (length : 2 Meter, size : 100mm)

Our 12h2n4a alloyed chromium-nickel structural steel is available in thicknesses ranging from 2mm to 120mm, with a length tolerance of +/-2mm. If you require a different steel grade or specific dimensions that you do not see listed, please contact us directly—our team is ready to provide a customized offer from our stock or delivery program.This product is made to order, with a standard production time of about one month. Once ready, preparation for shipment takes 2-3 working days. Delivery times may vary depending on the shipping service; please refer to our FAQ for more information.12h2n4a steel stands out for its high quality and distinct chemical composition: - 0.12% carbon - 2% chromium - 4% nickel - Very high steel qualityKey properties include excellent toughness, high core strength, outstanding wear resistance, and good surface hardness. Note that due to its nickel content, machinability is limited, and welding requires special preheating and post-annealing procedures.This steel grade is ideal for highly stressed components subjected to impact loads and can be used in environments as cold as -120°C. It is well-suited for making gears, transmission shafts, pistons, connecting rods, pinion shafts, cardan shafts, bevel gears, and ring gears. 12h2n4a is valued in general mechanical engineering for its good hardenability but is prone to hydrogen embrittlement.Main features: - Excellent toughness - High core strength - Great wear resistance - Good surface hardness - Poor machinability - Limited weldability - Good hardenabilityIf you are looking to purchase 12h2n4a, Evek GmbH offers a wide selection of GOST steels at competitive prices. Our team is happy to advise and assist you with your order or any questions.Chemical composition (in %): - C: 0.09–0.15 - Si: 0.17–0.37 - Cr: 1.25–1.65 - Mn: 0.3–0.6 - Ni: 3.25–3.65 - S: 0.025 - P: 0.025 - Cu: 0.3