Flanges
Forged Flanges Manufacturer
Milwaukee ForgeTech manufactures custom forged flanges for demanding industrial equipment and piping systems. We produce forged flanges designed to perform under high pressure, mechanical load, and challenging operating conditions.
If you have a drawing or specification, request a quote or upload your file to get started.
What Are Forged Flanges?
Forged flanges are components used to connect pipes, valves, pumps, and other equipment within mechanical and fluid systems. They provide a secure, pressure-resistant connection point and are commonly used in piping systems and industrial assemblies.
Typical flange configurations include slip-on, weld neck, blind, and custom geometries produced to meet specific system requirements. Flanges are often machined after forging to achieve precise sealing surfaces and bolt hole patterns.
We produce forged flanges to customer specifications based on load, pressure, and service conditions.
Why Forging Is Used for Flanges
Forging is used for flanges because these components are often subjected to:
high internal pressure
bolt loading and clamping forces
thermal cycling
vibration and mechanical stress
The forging process improves the internal structure of the steel, producing flanges that perform reliably in high-pressure and high-stress environments.
Materials for Forged Flanges
Material selection depends on pressure, temperature, and service environment.
Common alloy steels used in forged flanges include:
4140 Alloy Steel
Used when strength and toughness are required throughout the entire flange.
through-hardenable
high strength and fatigue resistance
suitable for load-bearing and pressure applications
8620 Alloy Steel
Used when a wear-resistant surface and a tough core are required.
compatible with carburizing
hard surface after heat treatment
tough internal core
Selecting between 4140 and 8620 depends on whether the flange requires uniform strength or enhanced surface durability.
How Forged Flanges Are Manufactured
We produce forged flanges using hammer forging and press forging, depending on geometry, tolerances, and production requirements.
Hammer forging is used for short- to medium-volume runs and more complex geometries.
Press forging is used when controlled deformation and tighter tolerances are required.
Applications for Forged Flanges
Forged flanges are used in systems that operate under pressure and demanding conditions, including:
industrial piping systems
power generation equipment
oil and gas systems
construction and heavy equipment
These components must maintain sealing integrity, structural strength, and long-term reliability.
Capabilities and Production Range
We manufacture forged flanges within the following general range:
forging weights from approximately 2 to 100 pounds
short- to medium-volume production
custom die design and engineering support
Best suited for custom flanges within the 2 to 100 pound range and short- to medium-volume production.
Forged flanges can be supported with secondary machining, drilling, and finishing operations as required.
Why Work With Milwaukee ForgeTech
Customers choose Milwaukee ForgeTech as a forged flanges manufacturer because we provide:
over 100 years of forging experience
hammer and press forging capabilities
engineering collaboration and support
consistent quality and reliable delivery
flexible production for short- to medium-volume runs
Request a Quote
If you are sourcing a forged flanges manufacturer or forged flanges supplier, we can help.
Send us your drawings or specifications and we will review your project and recommend the appropriate forging method and material.

Free Estimate Available
