Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Hydraulic Drive Assemblies |
| Section shape | According to the drawing |
| Test Report | UT ,SIZE ,MATERIAL and Customizable |
| heat treatment | Normalizing and tempering |
| Toughness | High |
| Molding Style | Forging， roughing |
| Size | As drawing Customizable |
| Durability | High |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 56000 Tons per year |
| Delivery Time | 30days | Packaging Details | Pallet |
| Application | Hydraulic Drive Assemblies | Section shape | According to the drawing |
| Test Report | UT ,SIZE ,MATERIAL and Customizable | heat treatment | Normalizing and tempering |
| Toughness | High | Molding Style | Forging， roughing |
| Size | As drawing Customizable | Durability | High |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | heavy section carbon steel forging ，spindle forgings for hydraulic presses ，hydraulic spindle forgings | ||
Heavy-Section Carbon Steel Spindle Forgings for Hydraulic Presses. Heavy-section carbon steel spindle forgings are precision-engineered components designed to withstand the extreme axial loads and dynamic forces encountered in hydraulic press systems. Manufactured from medium to high carbon steels, these forgings offer excellent strength, core toughness, and dimensional stability under cyclic high-pressure conditions.
The open die forging process refines the internal grain structure and ensures directional fiber flow along the spindle axis—greatly enhancing fatigue resistance and operational durability. Tailored heat treatment processes further optimize hardness and impact strength for prolonged use in high-load press environments.
High Axial Load Resistance: Designed for intense compressive forces in hydraulic pressing operations.
Superior Material Integrity: Forged from medium/high carbon steel with optimized forging ratio (≥ 3.0) for improved internal density and fatigue resistance.
Directional Grain Flow: Open die forging ensures aligned grain structure for maximum mechanical performance under repeated load cycles.
Heat Treatment Flexibility: Supplied in normalized and tempered condition; customizable to stress-relieved or rough-machined upon request.
Large Section Capability: Supports extra-large cross-sections for use in heavy-duty and high-tonnage presses.
Hydraulic Press Spindles: Central drive components in large-scale hydraulic forming presses.
Mechanical Press Rams: Load-transferring shafts in forging, stamping, or extrusion equipment.
Vertical Press Columns: Structural supports and linear actuators for metal forming machinery.
Steel Mill Press Units: Integrated into steel processing lines for billet pressing and shaping.
Heavy Industrial Equipment: Used in high-pressure compaction or molding systems in heavy manufacturing industries.
| Item | Details |
|---|---|
| Product Name | Heavy-Section Carbon Steel Spindle Forgings for Hydraulic Presses |
| Material Grades | - Medium/high-carbon steels designed for axial load-bearing strength - Tailored chemistry to ensure toughness and durability in high-pressure forming environments |
| Forging Equipment | - Hydraulic Presses: 5T, 8T, 12T - Enables deep-section forging with excellent structural integrity and directional grain flow |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging |
| Forging Ratio | ≥ 3.0 — Improves fiber alignment, internal density, and resistance to fatigue under repeated press loads |
| Applications | - Main press spindles for mechanical and hydraulic presses - Vertical press columns and rams for steel forming - Load-bearing components in industrial press drive assemblies |
| Delivery Conditions | - Supplied in normalized and tempered condition for structural stability - Optional delivery in stress-relieved or rough-machined state depending on integration requirements |
| Testing & Inspection | - Chemical Composition Verification (Spectrometry) - Mechanical Tests: Tensile, Hardness - Non-Destructive Tests: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional and geometric inspection for fit-critical press integration |
The steel forgings production flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
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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