What kind of material is 41CR4
41CR4, is a kind of mechanical raw material. German Din standard steel grade 41CR4/42GR4, German Din standard material number 1.17035/1.7045,
Medium carbon quenched and tempered steel, cold heading die steel: 40 carbon nominal content is 0.4, actual content is 0.37-0.44;
40CR-40铬CR英文缩写，材质属于合金钢
40CR commonly used alloy structural steel, used to manufacture mechanical parts that withstand medium load and medium speed working conditions, such as steering knuckles, rear half shafts of automobiles and gears, shafts, worms, spline shafts, good sleeves, etc. on machine tools;
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It can also be quenched and tempered and quenched at high frequency and used to manufacture parts with high surface hardness and high performance without large impact. It can also be quenched to manufacture parts that are subjected to heavy loads, such as gears and shafts with large diameters and low temperature toughness. Gears, sleeves, shafts, spindles, crankshafts, mandrels, pins, connecting rods, screws, nuts, intake valves, etc
40CR钢的执行标准： Gb/T 11251-2009
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Standard comparison of 40CR steel:
British En standard steel grade 18, British Bs standard steel grade 41CR4, French Afnor standard steel grade 42C4, French Nf standard steel grade 38CR4/41CR4, Italian Uni standard steel grade 41CR4, Belgian Nbn standard steel grade 42CR4, Swedish SS standard steel grade 2245, American Aisi/sae/astm standard steel grade 5140, Japan Jis standard steel grade SCR440(H)/SCR440, American Aisi/sae/ ASTM standard steel grade 5140, *ISO standard steel grade 41CR4.
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40CR Steel Chemical Composition:
碳 C ：0.37~0.44；
硅 Si：0.17~0.37；
锰 Mn：0.50~0.80；
硫 S ：允许残余含量≤0.035；
磷 P ：允许残余含量≤0.035；
铬 CR：0.80~1.10；
镍 Ni：≤0.30；
铜 Cu：允许残余含量≤0.030