Specifications UNS K94800 DIN 17745 Werkstoff Nr.1.3922 Werkstoff Nr. 1.3926 Werkstoff Nr. 1.3927 Trade name:Nilo Alloy 48, invar 48,alloy 48 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 48is also used for thermostats in industrial applications up to 450°C (840°F). Alloy 48 Products Bozhong Group stocks alloy 48 in a variety of forms and dimensions. Below are most of the standard stock form/sizes. If you do not see the size or form of alloy 48 that you require, please call one of our materials experts; our sales people are very knowledgeable and can assist you. We can cut, slit, shear, or center less grind alloy 48 to your exact specifications, and we also have tremendous versatility when it comes to custom sizes, packages, and unusual materials. Technical Data Sheet Chemical Composition Limits Weight % 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 Material 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. For all stock availability. Alloy 48 Tube is available the following size ranges. Outside Diameter - 0.25mm (0.010") up to 16.00mm (0.625") Wall - 0.05mm (0.002") up to 1.00mm (0.040") Straight Lengths - 1.00mm (0.040") up to 5000.00mm (197") Coils Lengths - 5 Metres to 15 Metres Standard Tolerance- OD &ID +/-0.03mm (0.0012") Wall +/- 10% Tight Tolerance - OD&ID +/- 0.015mm (0.0006") Wall +/-3% Some thin wall tubes up to 25.40 mm (1.000") can be supplied. Alloy 48 Strip in Coil Alloy 48 Sheet Alloy 48 Plate 0.010" 0.010" 0.200" 0.015" 0.015" 0.235" 0.020" 0.020" 0.250" 0.040" 0.070" 0.375" 0.060" 0.080" 0.450" 0.135" 0.500" 0.188" many other sizes available