- Invar 36 (MIL-I-23011C CL. 7; MIL-I-23011 CL. 7 1/4 HARD; BOEING D-33028; ASTM-B-753; ASTM-F-1684; MIL-S-16598B AMD 1)
- Invar 36 “FM” (MIL-S-16598 & MBO-160-151)
- Invar 42 (MIL-I-23011 CL. 5; ASTM-F-30; ASTM-B-753)
- Super Invar (ASTM-F-1684)
- Kovar (MIL-I-23011 CL.1; ASTM-F-15; AMS-7727; AMS-I-23011 CL. 1)
- 4750 (AMS-7718 EXC. HARDNESS; CAP. OF MIL-N-14411 COMP. 3; ABO-170-014)
*All trademarks and/or Trade names are the property of their respective owners.