Micro Gauge Machining Quality / Certifications

Quality - Certifications

From the incoming raw materials to finished goods; continuous sampling, testing, and verification are conducted throughout the manufacturing process to ensure Mueller’s standards of quality and the customer’s expectations are achieved.

With its Quality Policy serving as the foundation, Mueller Brass takes an unyielding approach on quality and continuous improvement in all of their products.

As a resource, Mueller Brass has made available copies of its ISO 9001 certificate, and SDS sheets for our copper products. Just click the documents listed to the right to download a .pdf version. 


Here at Mueller, we take quality very seriously. Serving some of the most demanding end-use applications, our “quality bar” is always set high. We have a fully capable lab in Belding as well as a back-up (redundant) lab in Port Huron. For more information on Mueller quality, click here.

Quality - Certifications

Mueller Brass is one of the only mills in North America to have a JOEL Electron Microscope. This microscope not only compliments the stable of state of the art laboratory equipment, but it enables Mueller to provide valuable analytical services equivalent to those provided by independent laboratories.

Quality - Certifications

X-ray Spectroscopy is a valuable tool utilized to analyze the chemistry of its brass rod alloys both during and after production. This piece of state of the art equipment helps to ensure every alloy is produced to its correct specification and chemistry.