Nickel 270 Tube

Product Details

A high-purity grade of nickel made by powder metallurgy. It has a low base hardness and high ductility. Its extreme purity is useful for components of hydrogen thyratrons. It is also used for electrical resistance thermometers.

STANDARD PRODUCT FORMSStrip, round bar and wire.

MAJOR SPECIFICATIONS
UNS N02270,ASTM F 3,Werkstoff Nr. 2.4050
LIMITING CHEMICAL COMPOSITION, %

Nia..........99.9 min.
Cu........0.01 max.
Fe.........0.05 max.
aPlus Co.
Mn...... 0.003 max.
C............0.02 max.
S......... 0.003 max.
Ti........ 0.005 max.
Mg...... 0.005 max.
Si........ 0.005 max.

PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3.........................................................................0.322
g/cm3......................................................................... 8.91
Melting Point, °F.....................................................................2650
°C.....................................................................1454
Specific Heat, Btu/lb •°F.....................................................0.110
J/kg •°C........................................................... 460
Permeability.......................................................... Ferromagnetic
Coefficient of Expansion, 70 – 200°F, 10-6 in/in •°F........ 7.4
20 – 95°C, μm/m •°C............. 13.3
Thermal Conductivity, Btu • in/ft2• h•°F........................... 595
W/m•°C...............................................86
Electrical Resistivity, ohm • circ mil/ft.................................45
μΩ•m...............................................0.075
TYPICAL MECHANICAL PROPERTIES