Mechanical Properties:
1. High tensile strength
2. Good toughness and impact resistance
3. Excellent fatigue resistance
4. Good corrosion resistance
5. High temperature strength
Technical Properties:
1. Good weldability
2. Excellent machinability
3. Good formability
4. High heat resistance
5. Low thermal expansion
Chemical Composition:
1. Carbon (C): 0.12% max
2. Silicon (Si): 1.00% max
3. Manganese (Mn): 1.00% max
4. Phosphorus (P): 0.040% max
5. Sulfur (S): 0.030% max
6. Chromium (Cr): 16.00-18.00%
7. Nickel (Ni): 1.25-2.50%
Innovative Uses:
1. Aircraft structural components such as landing gear and brackets
2. Engine components like turbine blades and exhaust systems
3. Aerospace fasteners
4. Aviation hydraulic systems
5. Aerospace tooling and equipment
Overall, the 434S17 steel grade is favored in aerospace and aviation technology for its exceptional mechanical properties, technical properties, and chemical composition, making it a reliable and versatile material for a wide range of applications in this industry.
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