The Role of 35CrMo4 Steel Grade in Advancing the Aerospace and Automotive Industries: A Closer Look at Its Properties and Applications

[ad_1] 35CrMo4 steel is a chromium-molybdenum alloy steel commonly used in the aerospace and automotive industries due to its high strength, toughness, and hardenability. Its properties make it an ideal material for components such as gears, shafts, and fasteners in aircraft and automotive engines, transmissions, and suspension systems.

Mechanical Properties:
– High tensile strength and yield strength
– Good ductility and toughness
– Excellent hardenability and wear resistance
– Good fatigue and impact resistance

Technical Properties:
– Density: 7.85 g/cm3
– Melting point: 1420-1460°C
– Thermal conductivity: 42.2 W/m°C
– Coefficient of thermal expansion: 11.2 x 10-6/°C

Chemical Composition:
– Carbon (C): 0.32-0.40%
– Silicon (Si): 0.17-0.37%
– Manganese (Mn): 0.40-0.70%
– Phosphorus (P): ≤ 0.035%
– Sulfur (S): ≤ 0.035%
– Chromium (Cr): 0.80-1.10%
– Molybdenum (Mo): 0.15-0.25%

– Aircraft components: landing gear, structural components, engine parts
– Automotive components: gears, shafts, axles, suspension components
– Oil and gas industry: drill collars, connecting rods
– Tooling and machinery: crankshafts, pinions, high-strength bolts

In conclusion, 35CrMo4 steel grade plays a crucial role in advancing the aerospace and automotive industries due to its exceptional mechanical, technical, and chemical properties, making it a versatile and reliable material for a wide range of applications.