Precision Machined Parts Since 1962

Materials

Metals are the medium in which we work, and we work with many of them (and some plastics too). Efficient has a high degree of expertise machining the following materials:

Carbon steel grades: 1018, 1026, 1035, 1045, 1117, 1141, 1144, 1215, 12L14
   
Alloy steel grades: 4140, 4150, 4340, 52100, 8620
   
High temperature alloys: L605 (HAYNES® 25), WASPALOY®
   
Stainless steel grades: 303, 304, 316, 17-4PH, 416, 430F, 440C
   
Copper alloys: brass, bonze, copper, phosphor-bronze alloys, navel brass
   
Aluminum: 6061, 6262, 2011, 2024, 7075, 3003
   
Plastics: polyacetal, polypropyl