Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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Carbon Steel C35 C45Forged Components For Transmission Shaft Rotating Shaft Push Shaft. We supply custom-forged carbon steel components made from C35 and C45, ideal for manufacturing transmission shafts, rotating shafts, and push shafts used in various mechanical and industrial systems. These forgings offer excellent machinability, adequate strength, and cost-effective performance for medium-load dynamic applications.
Material Grades:
C35 – A medium carbon steel suitable for moderate mechanical stress; good machinability and weldability.
C45 – Higher carbon content than C35; provides better tensile strength and surface hardness after quenching and tempering. Ideal for shafts and rotating components under higher loads.
Product Features:
Weight range: 100 – 7000 KG
Forged in round, stepped, or custom profiles
Heat treatment: normalized ,tempered upon request
Machining condition: as-forged, rough turned, or semi-finished
100% Ultrasonic Testing (UT) and Magnetic Particle Inspection (MPI)
Applications:
Gearbox transmission shafts
Industrial rotating shafts
Hydraulic push shafts / piston rods
General mechanical power transmission assemblies
Agricultural and construction machinery
Why Choose Us:
Over 25 years of forging expertise
In-house heat treatment & machining capabilities
Flexible order volumes and quick delivery times
| Item | Details |
| Product Name | Carbon Steel C35 C45 Forged Components For Transmission Shaft Rotating Shaft Push Shaft |
| Material Grades | - Our primary Carbon Steel C35 C45 , a high-performance steel renowned for its exceptional strength, superior toughness, and outstanding resistance to wear. Specifically chosen for demanding applications |
| Forging Equipment | - Hydraulic hammers: 5T / 8T / 12T- Large open-die forging press with core boring capability- Near-net shape forging for components with complex geometries |
| Manufacturing Process | Hot Forging → Intermediate Heat Treatment → Optional Core Boring / Drilling →Rough / Semi-Finish Machining → UT & Dimensional Inspection |
| Forging Ratio | ≥ 3.0 — Promotes directional grain flow, ensuring excellent load-bearing capacity and fatigue resistance in metallurgical applications |
| Applications | - Components in steelmaking equipment: furnace shells, trunnions- Parts of continuous casting equipment: mold, vibration device- Elements of steel rolling equipment: mill housings, rolls- Components of metallurgical cranes: bridge, drum, hook |
| Heat Treatment Options | - Normalizing and tempering for enhanced mechanical properties- Stress relief treatment to ensure dimensional stability |
| Testing & Inspection | - Chemical: Spectrometer-controlled composition analysis- Mechanical: Hardness, tensile, yield, impact toughness- Ultrasonic (UT): Multi-angle flaw detection, including bore zone- Dimensional: Length, diameter, straightness, concentricity |
| Value-Added Services | - Application-Specific Shaping and Ready-to-Integrate Surfaces: Our components are manufactured with custom geometries to meet the exact demands of diverse equipment. To streamline your assembly process, surfaces are pre-machined for easy integration. Comprehensive laser part marking ensures full traceability, providing a complete history of each component. |
The steel forgings production flow:
Raw material steel ingot into warehouse(test the chemical composition) → Cutting→ Heating(Furnace temperature test) → Heat treatment after forging(Furnace temperature test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal dimension, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment.
1. What is your forging capacity?
We manufacture custom-forged components from 100 kg up to 7000 kg, covering a wide range of shapes and applications.
2. Do you offer post-forging processes?
Absolutely. Our facility is equipped for in-house heat treatment, including normalizing, quenching & tempering, and carburizing, along with rough and precision CNC machining services.
3. What industries do you work with?
Our forgings are used in wind power, mining and metallurgy, port handling systems, industrial gearboxes, and other heavy-duty machinery sectors.
4. What is your usual delivery time?
If raw material is available: approx. 30 days
If new material procurement is needed: approx. 40–45 days, depending on complexity
5. Where are you located?
Our production base is in Changzhou, Jiangsu Province, with efficient export logistics through Shanghai Port, enabling smooth international delivery.
To receive a quote tailored to your project, please send us your technical drawings, material grade, and processing requirements.
Our technical team will evaluate the details and provide you with a complete quotation and professional forging solution in a timely manner.