Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Heat Treatment | Annealing and tempering |
| Molding Style | Forging |
| Transport Package | Wooden or As per the customer's requirements |
| Forging Equipment | 5 Ton， 8 ton, 12 Ton electro hydraulic hammer |
| Machining | CNC turning and milling |
| Surface Finish | Smooth or rough |
| Material | 40Cr, 42CrMo, 42CrNiMo, 18CrNiMo7-6 |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
| Model Number | TG-112 |
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Product Specification
| Payment Terms | T/T | Supply Ability | 56000 Tons per year |
| Delivery Time | 30days | Packaging Details | Pallet |
| Heat Treatment | Annealing and tempering | Molding Style | Forging |
| Transport Package | Wooden or As per the customer's requirements | Forging Equipment | 5 Ton， 8 ton, 12 Ton electro hydraulic hammer |
| Machining | CNC turning and milling | Surface Finish | Smooth or rough |
| Material | 40Cr, 42CrMo, 42CrNiMo, 18CrNiMo7-6 | Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| Model Number | TG-112 | ||
| High Light | 35crmo open forging ，open forging 17nicrmo6-4 ，35crmo open die hammer forging | ||
Custom 42CrMo, 35CrMo, and 17NiCrMo6-4Industrial Open Die Forgings Including Shafts, Gears, Discs, and Cylindrical Parts
High-Quality Custom Open Die Forgings – 42CrMo, 35CrMo, 17NiCrMo6-4 | Shafts, Gears, Discs & Cylindrical Parts
We specialize in custom industrial open die forgings using premium-grade 42CrMo, 35CrMo, and 17NiCrMo6-4 alloy steels. Our forging capabilities cover a wide range of components including forged shafts, gears, discs, and cylindrical parts, engineered for demanding applications across wind energy, port machinery, construction equipment, and heavy industry. With over 25 years of forging expertise, ISO-certified processes, and in-house machining and testing facilities, we deliver consistent quality, fast lead times, and tailored solutions for global OEMs and industrial clients. Contact us for precision-forged parts that meet your exact specifications.
Unleash the full potential of your industrial applications with our tailor-made 42CrMo, 35CrMo, and 17NiCrMo6-4 open die forgings. Specializing in shafts, gears, discs, and cylindrical parts, our products are meticulously crafted to meet the most stringent requirements, offering a perfect blend of performance, durability, and precision.
Features:
Forging Type: Free forging (open-die)
Material Options: Carbon steel, alloy steel — customizable as per customer requirements
Heat Treatment: Typically annealed or tempered to enhance internal structure and machinability
Testing: Ultrasonic testing and other inspections conducted according to customer standards
Condition: Delivered as-forged or rough-machined
| 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 | 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. |
Industrial applications
We apply our years of experience and unique professionalism, taking into account the specific requirements of the market, to design and manufacture forged parts for all industrial sectors. This makes Tiangong Forging a leader in the forging industry and sincerely cooperates with leading companies in various industrial fields.
A. Wind power generation
B. Port heavy machinery
C. Mining
D. Ship building
E. Chemical industry
F. Petroleum industry
G. Metallurgy industry
H. Hydraulic industry
I. Other manufacturing industries of various industrial equipment, transmission gear box, parts and etc.
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 |
These are the main inspection equipments:
We operate a fully equipped in-house laboratory dedicated to mechanical, chemical, and metallurgical testing. This allows us to perform real-time quality checks throughout the entire production process—from raw material selection to final inspection.
Advantages:
High structural integrity and toughness
Excellent fatigue and impact resistance
Flexible material selection and process customization
Reliable performance in harsh industrial environments
Produced under strict quality control with full traceability
Frequently Asked Questions (FAQs)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.
2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.
3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.
4. What is your production lead time?
With stock: Around 30 days
Without stock: 40–45 days
5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.
Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.
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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