Product Description
A nickel-iron low-expansion alloy containing 36% nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500°F (260°C). The alloy also retains good strength and toughness at cryogenic temperatures. Used for standards of length, measuring devices, laser components, bi-metal thermostat strip, thermostat rods and tanks and piping for storing and transporting liquefied gases.
STANDARD PRODUCT FORMS
Pipe, tube, sheet, plate, round bar, forging stock and wire.
MAJOR SPECIFICATIONS
UNS K93600, K93601, DIN 385, 1715, Werkstoff Nr. 1.3912
LIMITING CHEMICAL COMPOSITION, %
Ni ......35.0 – 38.0
Fe ......Remainder
C ..........0.10 max.
Mn .......0.60 max.
P ........0.025 max.
S .......0.025 max.
Si .........0.35 max.
Cr ........0.50 max.
Mo .......0.50 max.
Co ..........1.0 max.
Fe ......Remainder
C ..........0.10 max.
Mn .......0.60 max.
P ........0.025 max.
S .......0.025 max.
Si .........0.35 max.
Cr ........0.50 max.
Mo .......0.50 max.
Co ..........1.0 max.
PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3........................................................................0.293
g/cm3 .........................................................................8.11
Melting Temperature (Approximate), °F ........................2610
°C ........................1430
Inflection Point, °F ..................................................................430
°C ..................................................................220
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................69.3
W/m • °C ..........................................10.0
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F.....0.83
20 – 100°C, µm/m • °C ............1.5
68 – 392°F, 10-6 in/in • °F........1.4
20 – 200°C, µm/m • °C ............2.6
Electrical Resistivity, ohm • circ mil/ft ...............................480
µ Ω• m ..............................................0.800
g/cm3 .........................................................................8.11
Melting Temperature (Approximate), °F ........................2610
°C ........................1430
Inflection Point, °F ..................................................................430
°C ..................................................................220
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................69.3
W/m • °C ..........................................10.0
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F.....0.83
20 – 100°C, µm/m • °C ............1.5
68 – 392°F, 10-6 in/in • °F........1.4
20 – 200°C, µm/m • °C ............2.6
Electrical Resistivity, ohm • circ mil/ft ...............................480
µ Ω• m ..............................................0.800
TYPICAL MECHANICAL PROPERTIES
(Annealed)
Tensile Strength, ksi ..................................................................71
MPa ............................................................490
Yield Strength (0.2% Offset), ksi ...........................................35
MPa .....................................240
Elongation, % ..............................................................................42
Tensile Strength, ksi ..................................................................71
MPa ............................................................490
Yield Strength (0.2% Offset), ksi ...........................................35
MPa .....................................240
Elongation, % ..............................................................................42
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SHANGHAI KANGSHENG AVIATION MATERIALS TECHNOLOGY CO., LTD.
Address: No. 5999, Huyi Road, Waigang Town, Jiading District, Shanghai
Tel：13641813331
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Emial：ksalloy@ksalloy.com
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