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Customized Heavy Construction Machinery Field Forged Blocks
Home / Products / Forging / Open Die Forging / Forged Gears/Discs / Heavy Construction Machinery Field Forged Blocks
Heavy Construction Machinery Field Forged Blocks

Heavy Construction Machinery Field Forged Blocks

Application scenarios:
Suitable for structural and load-bearing components of heavy-duty engineering machinery, such as large excavator main frames, crane counterweight blocks, hydraulic press bases, mining equipment support blocks, and gearbox housings.
Working conditions:
These components are used in high-tonnage equipment operating under extreme stress conditions. They must withstand heavy static loads, strong impact forces, and long-term cyclic fatigue. The working environment is typically harsh, including outdoor exposure, dust, vibration, and continuous heavy-duty operation.

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  • Performance Requirements
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Performance Requirements
Material Heat Treatment Key Characteristics Typical Applications
C45 / EN8 / 1045 Normalizing Good machinability, stable internal structure, suitable hardness for machining, and general structural applications General structural forged blocks, machining blanks, and  machine base components
18CrNiMo7-6 Normalizing+
Quenching and Tempering		 High core strength, excellent toughness, good fatigue resistance under heavy-load conditions High-strength structural forged blocks, heavy-duty transmission, and load-bearing components
4140 / EN19 / 42CrMo4 Quenching and Tempering High strength, high toughness, wear resistance, suitable for heavy-load and impact conditions Gears, shafts, high-load structural components for cranes and mining equipment
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