18CrNiMo7-6, 42CrMo, 42CrNiMo Forged Steel Block Alloy Steel for Hydraulic Breaker
18CrNiMo7-6, 42CrMo, 42CrNiMo Forged Steel Block Alloy Steel for Hydraulic Breaker
Carbon Steel,Alloy Steel High-Quality Steel Block for Construction Machines. We provide premium-grade forged steel blocks made from carbon steel and alloy steel, specifically engineered for use in heavy-duty construction machinery components. Each block is precisely forged and heat-treated to ensure high structural integrity, excellent machinability, and superior mechanical performance.
Key Features:
-
Material Options:
-
Carbon Steel: 35#, 45#, C45, etc.
-
Alloy Steel: 42CrMo, 42CrMo4, 20CrNi2Mo, and other grades upon request.
-
-
Dimensions: Customizable sizes and weights according to your machining or final part requirements.
-
Heat Treatment: Normalizing, tempering, or annealing to achieve desired hardness and toughness.
-
Surface Condition: Rough forged or rough machined, free of surface cracks and scale, suitable for further machining.
Applications:
These forged steel blocks are widely used as raw materials for key components in construction equipment such as:
-
Excavator arms and base structures
-
Crane supports
-
Hydraulic cylinder blocks
-
Chassis and frame parts
-
Drive housings and gearboxes
Advantages:
-
Excellent strength-to-weight ratio
-
High impact and fatigue resistance
-
Enhanced workability for machining
-
Reliable material traceability and quality control
-
Compliant with international material standards
Our Competitive Advantages
-
High Dimensional Accuracy:
All forgings are manufactured with tight dimensional tolerances and precise geometrical control to meet strict engineering requirements. -
Superior Mechanical Performance:
Through optimized forging and heat treatment processes, our products exhibit outstanding strength, toughness, and fatigue resistance. -
Tailor-Made Dimensions:
We offer customized sizes, weights, and shapes based on your drawings or technical specifications, supporting both small-batch and mass production. -
State-of-the-Art Manufacturing & Inspection Equipment:
Equipped with advanced CNC machines, forging presses, and a full range of laboratory testing instruments to ensure consistent quality and process efficiency. -
Experienced Technical Team:
Our engineering team brings deep metallurgical knowledge and forging expertise to support product development and technical consultation. -
Strict Process Control:
Every stage of production—from raw material selection to final inspection—is carefully monitored under a documented quality system (ISO-certified). -
Secure and Protective Packaging:
We ensure all products are properly protected during handling and shipping to prevent damage and ensure safe delivery. -
Comprehensive Quality Service:
From pre-sales consultation to after-sales support, we are committed to providing fast response, professional advice, and reliable service.
These are the main inspection equipments:
| Our Lab inspection equipment | |
| 1 | Spectral component analyzer |
| 2 | Impact strength testing machine |
| 3 | Impact test cryogenic tank |
| 4 | Ultrasonic flaw detector |
| 5 | Brinell hardness tester |
| 6 | Rockwell hardness tester |
| 7 | Digital hydraulic universal testing machine |
| 8 | H.Metallurgical microscope |
| 9 | Program-controlled box furnace |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

