Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Heat Treatment | Normalizing and tempering |
| Transport Package | Customizable |
| Machining | Hydraulic Hammers |
| Surface Finish | Customizable |
| Advantages | Wear and corrosion resistant |
| Type | Open die forging |
| Material | Alloy steel and Customizable |
| Apply | Steel Mill Rollers |
| 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 |
| Heat Treatment | Normalizing and tempering | Transport Package | Customizable |
| Machining | Hydraulic Hammers | Surface Finish | Customizable |
| Advantages | Wear and corrosion resistant | Type | Open die forging |
| Material | Alloy steel and Customizable | Apply | Steel Mill Rollers |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | open die forged steel parts ，normalizing open die forgings ，normalizing forged steel parts | ||
Normalizing and Tempered Open Die Forgings for Steel Mill Rollers are heavy-duty components manufactured through open die forging, followed by normalizing and tempering heat treatments. Designed specifically for steel mill rolling equipment, these forgings deliver uniform microstructure, dimensional stability, and exceptional resistance to thermal fatigue and mechanical stress in high-temperature rolling environments.
Key Attributes:
Principal Applications in Steel Production Facilities:
| Item | Details |
|---|---|
| Product Name | Normalizing and Tempered Open Die Forgings for Steel Mill Rollers |
| Material Grades | - Alloy steels engineered for high-temperature strength and thermal fatigue resistance - Customized compositions (e.g., high Cr, Mo, V) for rolling load demands |
| Forging Equipment | - Hydraulic Presses: 5T,8T,12T |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Normalizing → Tempering → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging |
| Forging Ratio | ≥ 3.0 — Ensures homogeneous microstructure, eliminates porosity, and enhances fatigue resistance under cyclic rolling stresses |
| Applications | - Steel mill rolls: Work rolls, backup rolls, intermediate rolls - Roll necks and shafts - Roll chocks and bearing assemblies |
| Delivery Conditions | - Delivered in normalized + tempered condition - Optional: As-forged, stress-relieved, or semi-machined states per requirements |
| Testing & Inspection | - Chemical Analysis (Optical Spectrometry) - Mechanical Testing: Tensile, Hardness - Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional and runout inspection |
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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