Is a fully integrated, forging and machining manufacturer of domestic and import stainless and alloy flanges with operations located in Houston, Texas and Acuna, Mexico. Maass has become the most diversified stainless and alloy flange manufacturer in the world by offering a complete line of both small and large diameter sizes, combined with a full range of pressure classes in many various grades of material.

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. Maass Global Group - Image Video.

Offers Seamless Rolled Rings, Rolled Discs, and Custom Forgings available in a wide range of materials and sizes. This includes a variety of Carbon, Alloy, and Stainless Steel grades. All products are certified and traceable to suit the requirements of our valued customers. Is proud to carry-on a tradition of producing excellent quality products at a fast delivery time. This philosophy of the Maass Global Group.

Is a leading manufacturer of stainless and alloy flanges, located in Essen, Germany. As headquarters of the Maass Global Group. We offer our clients an array of products from small to large dimensions combined with varying materials in diverse pressure ranges and a wide range of products and services worldwide. We have recently been NORSOK M-650 Rev.