Maass Global Group

Welcome to our website

The Maass Global Group is a global specialist in open die, closed die and ring rolling products in all available material grades. We are amongst the most diversified global flange manufacturers in the world by offering a complete line of material grades; Carbon, Stainless, Duplex, Low Alloy and Special Nickels in both small and large diameter sizes, combined with a full range of pressure classes.

Always striving to be the best we can be, holding quality certificates in ISO 9001:2015 and PED (Pressure Equipment Directive AD WO), it is our dedication to assure a superior product and service to all of our customers. We hope you enjoy your experience with Maass Flange and look forward to your continued business.

We welcome your questions that you may have, and look forward to a long professional relationship.

New Announcement


The Maass Global Group, a global leading manufacturer of specialty flanges, is pleased to announce that it has divested its US, Canadian and Mexican flange related operations to AFG Holdings, Inc. The shareholders of the Maass Global Group, Alexander and Patrick Maass, remain invested in the newly combined operations through minority interests and Alex Maass will lead the new platform and management of the combined operations as President. The newly formed entity will be called Ameriforge LLC.


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