Forged Main Shaft
- HHF
- HENAN
- 45DAYS
- 200pcs per month
We can do large diameter forged main shaft. The OD is from 120mm-1200mm.
The main shafts can be manufactured as per customers' drawings. And our technologists also can design the drawings for customers.
Quality first is our principle. Our national level II lab can control the quality( chemical composition inspection, mechanical properties inspection,hardness inspection.
Product Introduction
Forged Main Shaft

Chemical Compososition (m%)
| Grade | C | Si | Mn | Cr | Mo | P | S | Ni | Cu |
| 40CrNi2Mo | 0.37~0.45 | 0.15~0.35 | 0.50~0.80 | 0.70~0.90 | 0.20~0.30 | ≤0.025 | ≤0.030 | 1.65~2.0 | ≤0.025 |
Mechanical Property
| Grade | Tensile Strength Rm(MPa) | Yield Strength Rp 0.2 (MPa) | Elongation A(%) | Reduction Area Z(%) | Charpy V Impact A k (J) | Hardness HBW |
| 40CrNi2Mo | ≥980 | ≥835 | ≥12 | ≥55 | ≥78 | ≤269HB |
The materials can be selected according to customer requirements.
We focus on the manufacturing of large-diameter forged main shafts, providing a very extensive range of products in which the outer diameters (OD) vary from 120mm to 120mm. The company, therefore, offers heavy-duty industrial applications solutions at the widest possible scope with products that are extremely sturdy and reliable and are made to fit the varying operational requirements of the industry.
Therefore, we are in the position to design custom drawings and give technical support that matches your project demands very perfectly. This not only means we are ready to develop drawings that reflect your functional requirements and objectives but also that we are capable of delivering a total customized technical solution in line with your unique request.
Quality is the key factor that we base our operational strategy on. Following our strict commitment to “Quality First” principles, we have put together very efficient quality system of control and assurance. In fact, in addition to complying with these standards, our customers can count on us to guarantee the quality of our products since we have an in-house National Level II Laboratory through which we are able to perform complete and precise quality checks at every vital phase of the manufacturing process.
The laboratory is in full gear carrying out meticulous checks such as chemical composition analyses, mechanical properties tests, and hardness checks among others. Thanks to these efforts, every forged main shaft that comes from our factory is not only guaranteed to be of a quality that is acceptable according to the materials, structural, and functional standards, but will have the added features that make the product outlast its competitor counterparts significantly.

About Us
Henan zhongyuan Heavy Forging Co.,Ltd. has been operating for almost two decades and is now a prominent player in heavy-duty forging.
Our factory's size is around 150 mu (100,000 square meters) with 3 large open-die forging production lines (major equipment being the 10,000 ton hydraulic presses) and 2 die forging production lines, in addition to other auxiliary facilities such as large CNC machining centers, heat treatments lines, and a well-resourced National Class II laboratory.
The annual output of the company is 50,000 tons large open-die and die forgings (including those single pieces that weigh more than 30 tons).
At present, nearly 500 people are working for the company, which also boasts an R&D department composed of over 50 members including senior engineers and experts in metallurgy. The department is mainly dedicated to developing new technological innovations, materials and processes.
FAQ
1. How soon would you give the quotation?
In general, it is up to three days. We just need to find out your needs and main sizes.
2. How do you assure the quality?
A. We have a quality control department. B. We shall carry out one sample run and another small batch production run after the first sample order before the mass order.
3.Can I come and visit you?
Yes, of course. We are pleased to welcome you to visit our company and discuss technical details and requirements with our team.
4.What's the production lead time?
Our pruction progress is from forging, rough machining ,Q+T to final machining.Itis usually 45days.
5.what are your payment terms?
We typically ask for 30% down payments to launch production, 70% balance before delivering goods.








