Custom Machined Forged Steel Flanges For Marine Engineering Equipment And Offshore Platforms

Custom Machined Forged Steel Flanges for Marine Engineering Equipment and Offshore Platforms

Our custom machined forged steel flanges are designed to meet the demanding requirements of marine engineering and offshore applications. Manufactured from high-strength steels through precision forging and tailored machining, these flanges offer exceptional resistance to corrosion, pressure, and mechanical fatigue. Each component undergoes strict quality control, including heat treatment and non-destructive testing, to guarantee dimensional accuracy and long-term reliability.

Key Features:

• Superior strength and toughness for extreme marine environments

• Excellent sealing performance for high-pressure pipeline connections

• Precision-machined surfaces ensuring reliable assembly and extended service life

• Available in custom dimensions and materials to suit project-specific requirements

Applications:

• Offshore drilling and production platforms

• Marine pipeline systems for oil, gas, and water transfer

• Shipbuilding and propulsion systems

• Subsea infrastructure requiring robust and durable flange connections

Process Overview:

Material verification → Organized storage and handling → Preliminary inspection of dimensions and quality → Uniform heating with controlled parameters → Forging operation and forming → Heat treatment to achieve desired mechanical properties → Intermediate quality verification → Rough machining for structural accuracy → Non-destructive testing (UT/MT) → Final inspection and approval → Surface finishing with protective coating and identification marking → Secure packaging and shipment to customer.

Contact Us for Precision Alloy Steel Forgings

Looking for forged components in 42CrMo or alternative premium alloys?
We provide flexible order quantities, reliable lead times, and worldwide delivery with complete certification support.
Reach out today for a quick quotation and expert engineering assistance tailored to your project needs.

About CHANGZHOU TIANGONG 

We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet our customers’ requirements. 

Our customers and partner value our products and services for 2 reasons: excellence and reliability.

Key figures 

A. Over 30 years professional free forging manufacturing experience

B. The company covers an area of 71,000 square meters

C. The construction area of the production workshop is 12,000 square meters

D. Total number of employees of 158

E. 28 engineering and technical personnel 

F. 59 skilled workers 

G. Annual production capacity is 38,000 tons

H. Steel throughput can reach 56,000 tons

Efficient and reliable solutions for customers

Industrial sector application

We design and manufacture forged parts for all industrial areas applying our experience and unique professionalism and taking the specific requirements of the markets into account. This has led us to become a forging industry leader in all industrial segments and collaborating with leading companies.

A. Wind power generation

B. Port Heavy Machinery

C. Mining

D. Ship Building

E. Chemical industrial

F. Oil industrial

G. Metallurgical industry 

H. Hydraulic industry 

I. Other high-end industrial equipment, gearbox body, parts and etc.

Customized solutions 

Modular processes allow us to engineer a solution for almost every industrial application requiring free forged parts. Our modularity means flexibility, a wide range of options, faster delivery, and most important of all, competitiveness.

All our products and production process have been designed to assure excellent, reliable and long lasting unique mechanical performances, resulting in reduced operating costs and long life.

With a wide range of products and a significant experience gained in most industrial applications, we can also provide complete engineering recommendation for customers.