Product Description
A nickel-chromium-cobalt alloy that is precipitation hardenable and also contains a relatively high (7%) level of molybdenum for solid-solution strengthening. It has an exceptional combination of high-temperature strength, creep resistance and ductility when welded. The alloy is especially suitable for welded sheet structures. Used in gas turbines for flame tubes and other components.
STANDARD PRODUCT FORMS
Sheet, plate, round bar, flat bar, forging stock, and extruded section.
MAJOR SPECIFICATIONS
None applicable.
LIMITING CHEMICAL COMPOSITION, %
Ni .......Remainder
Cr......16.0 – 20.0
Co .....12.0 – 16.0
Mo .........5.0 – 9.0
Ti ...........1.5 – 3.0
Al ...........1.7 – 2.5
C ..........0.07 max.
Si ...........0.5 max.
Cu..........0.2 max.
Fe ..........1.0 max.
Mn .........0.5 max.
S .......0.015 max.
B .......0.005 max.
Zr .........0.06 max.
Cr......16.0 – 20.0
Co .....12.0 – 16.0
Mo .........5.0 – 9.0
Ti ...........1.5 – 3.0
Al ...........1.7 – 2.5
C ..........0.07 max.
Si ...........0.5 max.
Cu..........0.2 max.
Fe ..........1.0 max.
Mn .........0.5 max.
S .......0.015 max.
B .......0.005 max.
Zr .........0.06 max.
PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3 ........................................................................0.297
g/cm3 .........................................................................8.21
Melting Range, °F ...................................................2340 – 2450
°C ...................................................1300 – 1345
Specific Heat, Btu/lb • °F ....................................................0.100
J/kg • °C ...........................................................419
Permeability at 200 Oersted (15.9 kA/m) .................1.0005
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F........6.7
20 – 100°C, µm/m • °C .........12.1
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................78.3
W/m • °C ..........................................11.3
Electrical Resistivity, ohm • circ mil/ft ...............................758
µ Ω• m ................................................1.26
g/cm3 .........................................................................8.21
Melting Range, °F ...................................................2340 – 2450
°C ...................................................1300 – 1345
Specific Heat, Btu/lb • °F ....................................................0.100
J/kg • °C ...........................................................419
Permeability at 200 Oersted (15.9 kA/m) .................1.0005
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F........6.7
20 – 100°C, µm/m • °C .........12.1
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................78.3
W/m • °C ..........................................11.3
Electrical Resistivity, ohm • circ mil/ft ...............................758
µ Ω• m ................................................1.26
TYPICAL MECHANICAL PROPERTIES
(Annealed)
Tensile Strength, ksi ...................................................120 - 140
MPa ................................................827 - 965
Yield Strength (0.2% Offset), ksi .................................40 - 60
MPa .........................276 - 414
Elongation, % ....................................................................40 – 60
(Cold Worked)
Tensile Strength, ksi ...................................................160 – 260
MPa ...........................................1103 – 1792
Yield Strength (0.2% Offset), ksi ............................120 - 240
MPa .......................827 – 1655
Elongation, % ....................................................................10 – 30
(Cold Worked + Aged)
Tensile Strength, ksi ...................................................180 – 280
MPa ...........................................1241 – 1930
Yield Strength (0.2% Offset), ksi ............................170 – 270
MPa ....................1172 - 1861
Elongation, % ....................................................................10 – 20
Tensile Strength, ksi ...................................................120 - 140
MPa ................................................827 - 965
Yield Strength (0.2% Offset), ksi .................................40 - 60
MPa .........................276 - 414
Elongation, % ....................................................................40 – 60
(Cold Worked)
Tensile Strength, ksi ...................................................160 – 260
MPa ...........................................1103 – 1792
Yield Strength (0.2% Offset), ksi ............................120 - 240
MPa .......................827 – 1655
Elongation, % ....................................................................10 – 30
(Cold Worked + Aged)
Tensile Strength, ksi ...................................................180 – 280
MPa ...........................................1241 – 1930
Yield Strength (0.2% Offset), ksi ............................170 – 270
MPa ....................1172 - 1861
Elongation, % ....................................................................10 – 20
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SHANGHAI KANGSHENG AVIATION MATERIALS TECHNOLOGY CO., LTD.
Address: No. 5999, Huyi Road, Waigang Town, Jiading District, Shanghai
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