Therlo ™Driver Harris Co Rodar ™Wilbur B Driver Co


Application & Characteristics
Glass-to-metal seals.

Chemical Composition (%)
Ni 29; Co 17; Mn 0.3; Balance Fe

Physical Properties
Melting Range (°F)	27606
Density (lbs/in³) 68F	0.302
Thermal Expansion (in/in °Fx10 to the power of -6)	2.9
Electrical Resistivity (ohms/cir mil/ft.) 68F	294

Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)	70
Yield Strength (psi x 10³)	50
Elongation ( % )	30
Hardness	–

Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)	95
Yield Strength (psi x 10³)	70
Elongation ( % )	10
Hardness	-

Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)	115
Yield Strength (psi x 10³)	80
Elongation ( % )	5
Hardness	-