Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 30-45days |
| Packaging Details | Wooden |
| Supply Ability | 56000 Tons per year |
| Application | Wind power, port machinery, mining and oil extraction |
| Quality Control | 100% Inspection |
| Material | Carbon steel and alloy steel： 45#,4130,4140 |
| Production Process | Forging |
| Hardness | Customized according to customer requirements |
| Surface Finish | Descaling and rough machining of all processes |
| Heat Treatment | Normalizing and tempering |
| Size | Customizable |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
| Model Number | TG-110 |
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Product Specification
| Payment Terms | T/T | Delivery Time | 30-45days |
| Packaging Details | Wooden | Supply Ability | 56000 Tons per year |
| Application | Wind power, port machinery, mining and oil extraction | Quality Control | 100% Inspection |
| Material | Carbon steel and alloy steel： 45#,4130,4140 | Production Process | Forging |
| Hardness | Customized according to customer requirements | Surface Finish | Descaling and rough machining of all processes |
| Heat Treatment | Normalizing and tempering | Size | Customizable |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | Model Number | TG-110 |
| High Light | c45 blank forging ，4130 blank forging ，4130 custom forging blanks | ||
4130,4140,C45,C60 Non-Standard Sizes Alloy or Carbon Steel Custom Forging Blanks
Custom Open Die Forging Blanks in Non-Standard Sizes | 4130, 4140, C45, C60 Alloy & Carbon Steel
We specialize in open die forged blanks made from 4130, 4140, C45, and C60 carbon and alloy steels, tailored to non-standard sizes and customer specifications. Ideal for gear components, machinery parts, and industrial applications, our forgings offer excellent mechanical properties, dimensional accuracy, and reliable performance.
With over 25 years of forging experience, we support small-batch orders, provide full material certificates (EN10204 3.1/3.2), and have long-term experience exporting to European markets. All forging blanks are produced under strict quality control with in-house inspection and rough machining capabilities.
Rough blanks of large steel forgings are the foundational components used across a wide range of heavy-duty industries, including energy, marine, mining, and industrial equipment. They are forged to near-net shapes, offering an optimal starting point for precision machining and final processing.
| Material | 4140,4130,18CrNiMo7-6,4340,4330,1.7225,35# 45# 20CrMnTi 20CrNi2Mo 20CrMnMo 18CrNiMo7-6 42CrMo 20CrNo 35CrMo |
| Equipment | 5 TON, 8 TON, 12 TON Hydralic hammer |
| Apply for | Various industrial gearboxes, wind power, port machinery |
| Manufacturing Process | Forging+heat treatment+rough machining+finish machining |
| Forging ratio | ≥3 |
| Delivery terms | Rough machining(N+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. |
Function:
These rough blanks serve as pre-formed structures that enable efficient downstream machining, minimizing material waste and reducing production time for components such as shafts, flanges, cylinders, and rings.
Specifications:
Size Range: Performed in accordance with customer-specific standards
Weight Range: 100 kg to 7 tons
Standards: per customer drawings
Surface: Descaled, rough-machined
Competitive Advantages:
Flexible, custom forging solutions tailored to client specifications
Raw materials sourced from reputable, certified steel mills
Short lead times and reliable delivery
Full traceability and stringent quality control at every step
Ideal for secondary machining and component manufacturing
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
27.5 million -28 million
Employee Number:
135~150
Ecer Certification：
Verified Supplier
About CHANGZHOU TIANGONG We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ... About CHANGZHOU TIANGONG We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ...
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