Alloy 48
Features:
Alloy 48 (Nilo 48) is a nickel-iron controlled-expansion alloy containing 48% nickel. Alloy 48 (Nilo 48 coefficient of thermal expansion matches that of soft lead and soda lime glasses therefore Alloy 48's main use is for glass to metal seals in soft lead or soda lime type glasses. Alloy 48 is also used for thermostats in industrial applications up to 450°C (840°F).
Nominal composition，%
|
Alloy designation |
Ni |
Cr |
Mn |
Si |
C |
Al |
P |
S |
Fe |
|
Alloy 48 |
48 |
0.25 max |
0.80 max |
0.30 max |
0.05 max |
0.10 max |
0.025 max |
0.025 max |
Bal |
Typical Mechanical Properties
|
Alloy designation |
Ultimate Tensile Strength |
Yield Strength 0.2 % |
Elongation (%) |
||
|
Psi |
MPa |
Psi |
MPa |
||
|
Alloy 48 |
75,000 |
520 |
38,000 |
260 |
43 |
|
Coefficient of Expansion - Alloy 48 (Nilo 48) |
|
|
68-212°F, 10ˉ6 in/in °F |
4.7 |
|
20-100°C, μ m/m °C |
8.5 |
|
68-752 °F, 10ˉ6 in/in °F |
4.6 / 5.2 |
|
20-400°C, μ m/m °C |
8.3 / 9.3 |
Availability：
Alloy 48 is available in Round Bar, Tube, Sheet, Coil, Strip and Wire.
Material List
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