Materials: Carbon and Alloy steel
Diameter: less than 2,500mm
Length:less than 20,000mm
1. Main products: Custom Open Die Forging, Main Shaft, Hollow shaft,Slender axles, Wind Power Shaft, Mandrel bar,Steel Bar, sleeves, Stabilizer, Flange Shaft, Roller Forging, Ring Forging, Gear Shaft, Gear Wheel and the other Customized precision turned parts.
2. Materials: Carbon steel, Alloy steel
3. Process: Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining
We can offer you in various process conditions.
4. QA documents: chemical composition, mechanical properties, heat treatment, dimensions check and UT report
UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
Heat Treatment Report: provide original copy of heat treatment curve/time table.
5. Specifications of Forging:
Shape | Diameter(m) | Length(m) |
Shaft | ≤2.5 | ≤20 |
Block | ≤4.0 | / |
Ring | ≤4.9 | ≤3.5 |
Cylinder | ≤1.5 | ≤8.0 |
6. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOST
1)Materials: Carbon and Alloy steel
2)Diameter: less than 2,500mm
3)Length:less than 20,000mm
4)With nearly 20 years manufacture experience in the Mechinary area. We have the ability to make production as per your drawing and design.
5)Strict quality control to guarantee the life-span of the products.
You may also want to know the following information about our company:
1. Main products: Custom Open Die Forging, Main Shaft, Hollow shaft,Slender axles, Wind Power Shaft, Mandrel bar,Steel Bar, sleeves, Stabilizer, Flange Shaft, Roller Forging, Ring Forging, Gear Shaft, Gear Wheel and the other Customized precision turned parts.
2. Materials: Carbon steel, Alloy steel
3. Process: Forging/Casting – Normalizing & Tempering – Proof Machining- Quenching & Tempering – Finish Machining
We can offer you in various process conditions.
4. QA documents: chemical composition, mechanical properties, heat treatment, dimensions check and UT report
UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
Heat Treatment Report: provide original copy of heat treatment curve/time table.
5. Specifications of Forging:
Shape | Diameter(m) | Length(m) |
Shaft | ≤2.5 | ≤20 |
Block | ≤4.0 | / |
Ring | ≤4.9 | ≤3.5 |
Cylinder | ≤1.5 | ≤8.0 |
6. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOST
1.About us:
We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentri shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc.
2: Equipment of Zhongyuan
Equipment list:
| Process | Equipment list | Capacity | Quantity |
| Forging | 1800 & 1400t rotary forging press(GFM) | Max weight 15 tons | 2 |
| 5000t hydraulic forging press | Max weight 45 tons | 1 | |
| 2500t hydraulic forging press | Max weight 15 tons | 1 | |
| Heat treatment | Trolley heat treatment furnace | 7000X1100X1100mm | 2 |
| Well-type quenching furnace | Max depth 8 meter | 2 | |
| Cover-type quenching & tempering furnace | Max length 20 meters | 1 | |
| Machining | CNC heavy duty lathe | Φ2500Χ8,000mm | 1 |
| 13M,17M,20M horizontal lathe | Φ1250Χ20,000mm | 3 | |
| Manual horizontal lathe | Φ800Χ5,000mm | 13 | |
| Deep-hole drilling & boring machine | Φ800Χ17,000mm | 2 | |
| Mill machine | 2000Χ4000mm | 2 | |
| Grinding machine | Φ800Χ5000mm | 1 | |
| Saw machine | ---- | 2 |
Picture of equipment:
Product List
| Name | Technique | Material | Dia/mm | Wall thickness | Length/mm |
| Forging shaft | Forging+turning+grinding |
alloy steel
carbon steel
stainless stee | 200-800 | ---- | 500-20000 |
| Hollow shaft | Forging+drilling+turning | 150-800 | ≥15mm | ≤17000 | |
| Shaft sleeve | Forge+drill & bore+turning +milling | 400-700 | ≥15mm | ≤18000 | |
| Large bolt | Rolled/forge+turning+threading | 300-800 | ---- | ≤17000 | |
| Hydraulic cylinder | Forging+drill & bore+ turning | 300-2000 | ≥10mm | ≤10000 | |
| Other parts in deep-hole | Forge+ drill & bore+turning+mill | 300-2000 | ---- | ≤20000 |
Picture of product:
3:Certificate & Honor:
4.Contact
Packaging Details:export standard packing
Delivery Detail: within 45days or as per request