Oil Steam Cylinder Forging
- HHF
- HENAN
- 45DAYS
- 200pcs per month
Henan Zhongyuan Heavy Forging Co.,Ltd (HHF) is a National Hi-Tech Enterprise which concludes four plants--Forging Plant, Heat Treatment Plant, Machining Plant, Petroleum Equipment Plant, one Provincial Engineering Technology Research Center for Drilling Tools Stabilizer, one laboratory, one Municipal Technology Research and Development Center.
Oil Steam Cylinder Forging is one of our products. High quality can be guaranteed.
Product Introduction
Oil Steam Cylinder Forging

Chemical composition
Grade | Chemical composition % | |||||||
C | Si | Mn | P | S | Cr | Ni | Cu | |
40Cr | 0. 37 ~ 0.4 4 | 0.1 7~0.3 7 | 0 .. 5 0 ~ 0 . 8 | ≤ 0.0 3 5 | ≤ 0.0 3 5 | 0 .. 8 0 ~ 1. 10 | ≤ 0. 30 | ≤ 0.3 0 |
Mechanical behavior
Yield strength R1 | Tensile strength Rm | Elongation A% | Shrinkage rate Z% | Brinell hardness | Charpy impact work | ||
MPa | Psi | MPa | Psi | J
| |||
≥ 7 85 | ≥ 11 3854 | ≥ 9 80 | ≥ 14 2136 | ≥9 | ≥ 45 | ≤207 | ≥47 |
About Us
Henan zhongyuan Heavy Forging Co.,Ltd(HHF) founded in 2006, the company has accumulated nearly 20 years of deep professional experience and technological expertise in the field of heavy-duty forging.
The factory covers an area of approximately 150 mu (about 100,000 square meters). The company operates 3 large-scale open-die forging production lines (with core equipment including 10,000-ton hydraulic presses), 2 modern die forging production lines, along with supporting large-scale CNC machining centers, heat treatment lines, and a well-equipped National Class II laboratory. The company has an annual production capacity of 50,000 tons for large open-die and die forgings (with the ability to produce single pieces weighing over 30 tons).
The company currently employs nearly 500 people, including a dedicated R&D team of over 50 professionals, consisting of senior engineers and technical experts focused on developing new processes, materials, and technological innovations.
Its quality management system is backed by multiple certifications, including the American API Q1 standard, API 7-1 licensing for drill stabilizers and drill collars, CSSC system approval, and international accreditations such as ISO 9001:2008 and ISO/TS 29001.

In addition to manufacturing excellence, HHF provides comprehensive technical support. Our skilled engineering team works closely with clients to develop customized designs and detailed technical drawings tailored to their specific requirements. From material selection and dimensional specifications to performance validation, we ensure that every product is precisely aligned with the operational needs and standards of our customers.
The company has long provided core forgings to renowned enterprises in both domestic and international markets, spanning industries such as energy (wind, hydro, and thermal power), mining machinery, shipbuilding, and heavy equipment. Its client portfolio includes major domestic companies like CITIC Heavy Industries, China First Heavy Industries, Taiyuan Heavy Industry, Goldwind, and Envision Energy, as well as global mining equipment manufacturers such as Joy Global, Komatsu, and Caterpillar.
The company's products are consistently exported to more than 20 countries and regions, including Germany, the United States, Australia, India, Russia, Brazil, South Africa, South Korea, and Japan, serving markets worldwide.

Guided by a commitment to enhancing the profile of Chinese manufacturing, HHF adheres to a quality philosophy centered on “striving for perfection, crafting high-quality machinery, pursuing excellence, and building a first-class brand.” Through persistent dedication to continuous improvement, the company has steadily elevated its product standards, establishing its core offerings as trusted brands in the fields of oil drilling tools and large precision forgings.
FAQ
1.Wha's your quote time?
Normally, it is up to 3days. We need to understand your requirements and critical dimensions.
2.How is quality controlled?
A. We have a dedicated QA team. B. We shall do one sample run, then a small batch run before mass order.For a sample 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.




