Product Description
A precipitation-hardenable nickel-chromiumcobalt alloy with an addition of molybdenum for solid-solution strengthening. It has high strength and corrosion resistance along with good formability and high-temperature ductility in welded structures. The alloy is especially suitable for sheet applications. Used in gas turbines for rings, casings and various sheet fabrications.
STANDARD PRODUCT FORMS
Sheet, strip, plate, round bar, flat bar, forging stock, wire and extruded section.
MAJOR SPECIFICATIONS
UNS N07263, BS HR10, HR206, HR404, SAE AMS 5872, DIN 17744, 17750-17754
AECMA Pr EN 2199 – 2203, 2418, Werkstoff Nr. 2.4650
AECMA Pr EN 2199 – 2203, 2418, Werkstoff Nr. 2.4650
LIMITING CHEMICAL COMPOSITION, %
Ni .......Remainder
Cr......19.0 – 21.0
Co .....19.0 – 21.0
Mo .........5.6 – 6.1
Ti ...........1.9 – 2.4
Al .........0.60 max.
Ti+Al .....2.4 – 2.8
C .......0.04 – 0.08
Si .........0.40 max.
Mn .......0.60 max.
S .......0.007 max.
B .......0.005 max.
Cu........0.20 max.
Fe ..........0.7 max.
Cr......19.0 – 21.0
Co .....19.0 – 21.0
Mo .........5.6 – 6.1
Ti ...........1.9 – 2.4
Al .........0.60 max.
Ti+Al .....2.4 – 2.8
C .......0.04 – 0.08
Si .........0.40 max.
Mn .......0.60 max.
S .......0.007 max.
B .......0.005 max.
Cu........0.20 max.
Fe ..........0.7 max.
PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3 ........................................................................0.302
g/cm3 .........................................................................8.36
Melting Range, °F ...................................................2370 – 2470
°C ...................................................1300 – 1355
Specific Heat, Btu/lb • °F ....................................................0.110
J/kg • °C ...........................................................461
Permeability at 200 Oersted (15.9 kA/m) .................1.0008
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F........5.7
20 – 100°C, µm/m • °C .........10.3
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................81.1
W/m • °C ..........................................11.7
Electrical Resistivity, ohm • circ mil/ft ...............................692
µ Ω• m ................................................1.15
g/cm3 .........................................................................8.36
Melting Range, °F ...................................................2370 – 2470
°C ...................................................1300 – 1355
Specific Heat, Btu/lb • °F ....................................................0.110
J/kg • °C ...........................................................461
Permeability at 200 Oersted (15.9 kA/m) .................1.0008
Coefficient of Expansion, 68 – 212°F, 10-6 in/in • °F........5.7
20 – 100°C, µm/m • °C .........10.3
Thermal Conductivity, Btu • in/ft2 • h • °F ..........................81.1
W/m • °C ..........................................11.7
Electrical Resistivity, ohm • circ mil/ft ...............................692
µ Ω• m ................................................1.15
TYPICAL MECHANICAL PROPERTIES
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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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