Material Types, Grades, Shapes

GMMCO machines parts out of many different types of raw material. Our material machining capabilities include, but are not limited to, the following steel types/grades:

Aluminum

• 2011 Aluminum, 2024 Aluminum, 6061 Aluminum

Brass

• C36000 Brass

Carbon Steel

• 1018 CS, 1045 CS, 1215 CS, 12L14 CS, A36 CS, A105 CS, A182 CS, A350 CS

Nickel

• Hastelloy, Haynes, Inconel

Pipe

• Aluminum Pipe, Carbon Pipe, Stainless Steel Pipe

• Welded or Seamless

• Schedule 40 or Schedule 80

Stainless Steel

• 303 SS, 304 SS, 316 SS, 347 SS, 410 SS, 440C SS, 15-5PH SS, 17-4PH SS

Standard Steel

Other

• 4130 Alloy, 4140 Alloy, Tool Steel

Tube

• Stainless Steel Tubing, Other Tubing

Additionally, GMMCO can also machine parts out of the following different steel forms:

• Round Bar

• Hexagonal Bar

• Square Bar

Raw Material Quality Control

All raw material purchased by GMMCO and used to manufacture customer parts must conform to GMMCO’s strict quality standards. All raw material is inspected by our Quality Control staff upon arrival and prior to production use. GMMCO requires all suppliers to supply Material Test Reports with all raw materials, and these reports are made available to all customers. GMMCO only uses domestic material or material from a DFARS compliant country.