Forged Steel Mandrel For Seamless Tube

Product Introduction

Name : Forged steel mandrel for seamless tube 

The forged mandrel mainly used for seamless steel pipe piercing technology 

Material : We purchase steel ingot from famous steel mill 

Prodution process for steel mandrel ： We can do forging , heat treatment and machining by our own factory .

As to after-sale services for forged mandrel  :  from our company side, we would like to provide our best service to you. If any products are with quality problems, we will replace at our expense. For your benefit, we would like to establish a clear quality inspection criterion at the beginning stage of the project.We also have an CRM system to keep work history with all customers to follow up your overall experience with us

Chemical Compososition (m%)

Hardness Requirements: 280-320 HB

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.

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.

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.