Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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42CrMo, 42CrNiMo, CNC rough Machining Forged Cylinder Blocks for Heavy Equipment
We manufacture high-performance forged cylinder blocks using premium 42CrMo and 42CrNiMo alloy steels, ideal for heavy equipment applications. Each forging undergoes precise CNC rough machining to ensure dimensional consistency, structural integrity, and optimal performance in demanding industrial environments. Our components are engineered for durability, impact resistance, and excellent machinability, making them suitable for use in construction machinery, mining equipment, and large mechanical systems.
Backed by 25 years of forging expertise and ISO-certified processes, we deliver custom solutions with reliable quality and fast lead times.
Our cylinder block forgings are engineered for use in high-pressure petroleum machinery such as mud pumps, fracturing units, and drilling equipment. These components are manufactured through high-quality open-die or closed-die forging processes to ensure exceptional strength, durability, and fatigue resistance under extreme working conditions.
| Main Forging service Machine list: | sets | |
| Sample Inspection tester machines in the lab. | ||
| 1 | Spectrometer | 1 |
| 2 | Impact testing machine | 1 |
| 3 | Tensile testing machine | 1 |
| 4 | Metallographic microscope | 1 |
| 5 | Brinell hardness tester | 1 |
| 6 | Notch projector | 1 |
| 7 | Quenching test machine | 1 |
| 8 | high-precision flaw detector | 2 |
| Natural gas equipment | ||
| 1 | Natural gas furnace 15Ton | 6 |
| 2 | Natural gas furnace 20Ton | 1 |
| 3 | Natural gas furnace 30Ton | 3 |
| 4 | Natural gas furnace 40Ton | 1 |
| Sawing machine | 16 | |
| 5 | 5 Ton electro-hydraulic forging hammer | 1 |
| 6 | 8 Ton electro-hydraulic forging hammer | 1 |
| 7 | 12 Ton electro-hydraulic forging hammer | 1 |
| operation machine | ||
| 8 | 10 Ton loader machine | 1 |
| 9 | 15 Ton loader machine | 1 |
| 10 | 20 Ton Loader machine | 1 |
| Material carrier machine | ||
| 12 | 10 Ton material carrier | 1 |
| 13 | 20 Ton material carrier | 1 |
| 14 | Heat Treatment electric furnace 5Ton | 1 |
| 15 | Heat Treatment electric furnace 15Ton | 1 |
| 16 | Heat Treatment electric furnace 50Ton | 1 |
| 17 | Heat Treatment electric furnace 60Ton | 1 |
| 18 | Heat Treatment electric furnace 60Ton | 1 |
| 19 | horizontal lathe, vertical lathe,CNC vertical lathe,machining equipment | 31 |
Forged steel cylinder blocks find applications in various industries due to their strength, durability, and customizability. Their versatility allows customization for specific applications. Some common uses are:
High-Pressure Vessels:Forged cylinders are often employed in high-pressure vessels such as hydrogenation reactors, nuclear reactor pressure vessels, and nuclear power evaporators. Their robustness makes them suitable for containing pressurized substances.
Oil and Gas Pipelines: Forged cylinders are used in oil and gas pipelines. Their strength ensures reliable performance even in harsh environments.
Metalworking and Machinery: Forged steel blocks serve as bases for machinery, supports, and in precision machining processes. Their stability and load-bearing capacity make them ideal for industrial equipment.
Construction: As foundational blocks, forged steel cylinders are used for weights or structural components. They contribute to the stability and integrity of structures.
Other Industries: Forged blocks are essential raw materials in various sectors, including chemical, electric motor manufacturing, food processing, machining, and steel mills.
| Material | 4140,4130,18CrNiMo7-6,4340,4330,1.7225,35# 45# 20CrMnTi 20CrNi2Mo 20CrMnMo 18CrNiMo7-6 42CrMo 20CrNo 35CrMo |
| 5 TON, 8 TON, 12 TON Hydralic hammer | |
| Apply for | Transmission main shaft is used for driving force |
| Forging+heat treatment+rough machining+finish machining | |
| Forging ratio | ≥3 |
| Applicable standard | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
| Delivery terms | Rough machining(N+T); finish machining(Q+T) |
| Test equipment | Spectrograph, UT device, tensile and impact test machine, metalloscope,external micrometer, bore dial indicator, hardness testing device and so on. |
| Service | Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Specifications:
Size: Custom dimensions available upon request
Weight: From 100 kg to 7 tons
Surface Condition: As-forged or rough-machined
Certification: Full traceability, material test reports, and quality inspection records provided
Factory Key Figures:
A. More than 25 years of professional free forging and open-die forging manufacturing experience
B. The company covers an area of 71,000 square meters
C. The construction area of the production workshop is 12,000 square meters
D. Total number of employees: 158
E. 28 engineering and technical personnel
F. 59 skilled workers
G. Annual production capacity is 38,000 tons
H. Annual raw material steel throughput turnover reaches 56,000 tons.
The steel forgings production flow: