The Key Properties and Applications of 34CrNiMo6 Steel Grade

The 34CrNiMo6 steel grade is a medium carbon alloy steel that is commonly used for the manufacture of various components and machinery parts. It offers excellent mechanical properties, good toughness, and high strength. Here are the key properties and applications of 34CrNiMo6 steel grade:

1. Mechanical Properties:
– Tensile strength: 1000-1200 MPa
– Yield strength: 800-950 MPa
– Elongation: 11-15%
– Reduction of area: 35-50%
– Hardness: 220-260 HB
– Impact energy: ≥ 100 J at -20°C

2. Chemical Composition:
– Carbon (C): 0.30-0.38%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.020% max
– Chromium (Cr): 1.30-1.70%
– Nickel (Ni): 1.50-1.80%
– Molybdenum (Mo): 0.15-0.30%

3. Applications:
– 34CrNiMo6 steel grade is widely used in the production of gears, shafts, and bearings due to its high strength and good fatigue resistance.
– It is commonly used in heavy-duty machinery and equipment such as axles, camshafts, crankshafts, and connecting rods.
– This steel grade is often used in the automotive industry for the manufacture of transmission components, clutch parts, and steering components.
– It finds applications in the manufacturing of large gears used in construction machinery, mining equipment, and wind turbines.

Overall, the 34CrNiMo6 steel grade offers excellent mechanical properties, good toughness, and high strength, making it suitable for a wide range of applications in industries such as automotive, machinery, and construction.
34CrNiMo6 Steel grade
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