Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 20000 ton/year |
| Delivery Time | 25 days |
| Packaging Details | Standary Export Packaging |
| Material | GCr15 100Cr6、SKF3、SKF3S |
| Shape | Round |
| Port | Shanghai Port or as requiremets |
| Standard | GB/T18254、YB/T4146 |
| Sample | Free Sample |
| Trade Term | FOB, CIF, EXW |
| Brand Name | Hongbao |
| Certification | ISO9001, OHSAS18001,TS16949 etc |
| Place of Origin | China |
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Product Specification
| Supply Ability | 20000 ton/year | Delivery Time | 25 days |
| Packaging Details | Standary Export Packaging | Material | GCr15 100Cr6、SKF3、SKF3S |
| Shape | Round | Port | Shanghai Port or as requiremets |
| Standard | GB/T18254、YB/T4146 | Sample | Free Sample |
| Trade Term | FOB, CIF, EXW | Brand Name | Hongbao |
| Certification | ISO9001, OHSAS18001,TS16949 etc | Place of Origin | China |
| High Light | hardened steel tube ，ball bearing tube | ||
Bearing Steel Tube Material GCr15 100Cr6,SKF3,SKF3S Seamless Steel Tube
Material: GCr15 100Cr6,SKF3,SKF3S
Diameter range:10-160mm
Thickness Range:1-25mm
1. Introduction
Bearing steel pipe is the seamless steel tube for hot rolling or cold rolling (cold drawing) for the manufacture of ordinary rolling bearing ring. The outer diameter of the steel tube is 25-180 mm, and the wall thickness is 3.5-20mm, which is divided into ordinary precision and high precision. Bearing steel is used for making ball bearings, roller bearings and bearing rings. Bearing is under great pressure and friction, so the bearing steel is required to have high and uniform hardness and wear resistance, and high elastic limit. On the uniformity of the chemical composition of bearing steel, the content and distribution of non-metallic inclusions are very demanding, the distribution of the carbide, etc, are all steel production in one of the most demanding steel grade.
2. Delivery Condition
3. Application
In addition to ball bearings, bearing rings, sometimes used to make tools, such as punch, measuring tools.
4. Main Equipments List and Capacity Analysis
| Status | Main Equipment List | Quantity (Line) | Capa per Shift | Shift per Day | Working days per month | Actual Capacity |
| Current | Piercing Mill ∮50-∮120 | 5 | 25T/S | 2 Shifts | 22 Days | 66000T/Y |
| Rolling Mill ∮40-∮180 | 50 | 1.25T/S | 2 Shifts | 22 Days | 33000T/Y | |
| 60T 3 Lines of High Precision Drawing Machine | 1 | 15T/S | 2 Shifts | 22 Days | 7920T/Y | |
| Drawing Machine 10T-150T | 10 | 3.5T/S | 2 Shifts | 22 Days | 18480T/Y | |
| Straightening Machine ∮30-∮130 | 7 | 16.5T/S | 2 Shifts | 22 Days | 60984T/Y | |
| Heating Furnace | 4 | 26T/S | 2 Shifts | 22 Days | 54900T/Y | |
| Eddy Current Detector | 3 | 33T/S | 2 Shifts | 22 Days | 52272T/Y | |
| Ultrasonic Detector | 1 | 10T/S | 2 Shifts | 22 Days | 5280T/Y | |
| Ultrasonic & Eddy Current Detector | 1 | 25T/S | 2 Shifts | 22 Days | 13200T/Y | |
| Automatic Pickling Equipment | 1 | 115T/S | 2 Shifts | 22 Days | 60720T/Y | |
| 60 Welding Line | 1 | 25T/S | 2 Shifts | 22 Days | 13200T/Y | |
| Head Shrinked Machine | 1 | 25T/S | 2 Shifts | 22 Days | 13200T/Y | |
| 85m Roller Hearth Bright Normalizing(Annealing) Furance | 1 | 48T/D | 2 Shifts | 22 Days | 12672T/Y | |
| Subtotal
| 59400T/Y | |||||
| Project in progress
| SG/76 Strengthen Precision High Frequency Welding Line | 1 | 65T/D | 2 Shifts | 22 Days | 17160T/Y |
| 14 Roller Precision Straightening Machine | 2 | 25T/S | 2 Shifts | 22 Days | 13200T/Y | |
| 60T 3 Lines of High Precision Drawing Machine | 1 | 30T/D | 2 Shifts | 22 Days | 7920T/Y |
5. Picture
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
60000000-80000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
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