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产品名称

INCOLOY 909

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产品描述
A nickel-iron-cobalt alloy with a silicon addition containing niobium and titanium for precipitation hardening. It is similar to INCOLOY alloys 903 and 907 because it has low thermal expansion and high strength. However, the silicon addition results in improved notch-rupture and tensile properties achieved with less-restrictive processing and significantly shorter heat treatments. Used for gas-turbine casings, shrouds, vanes and shafts.
STANDARD PRODUCT FORMS
Round bar, forging stock and hot-rolled profile.
MAJOR SPECIFICATIONS
UNS N19909
SAE AMS 5884, 5892, 5893
LIMITING CHEMICAL COMPOSITION, %

Ni.......35.0 – 40.0
Fe.......Remainder
Co......12.0 – 16.0
Nb..........4.3 – 5.2
Ti............1.3 – 1.8
Si.......0.25 – 0.50
Al..........0.15 max.
C...........0.06 max.

PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3.........................................................................0.296
g/cm3......................................................................... 8.19
Melting Range, °F...................................................2540 – 2610
°C...................................................1395 – 1430
Specific Heat, Btu/lb•°F.....................................................0.102
J/kg•°C............................................................ 427
Curie Temperature, °F................................................750 – 850
°C................................................400 – 455
Coefficient of Expansion, 77 – 800°F, 10-6 in/in •°F........4.3
25 – 427°C, μm/m •°C............. 7.7
Thermal Conductivity, Btu • in/ft2•h•°F............................ 103
W/m •°C........................................... 14.8
Electrical Resistivity, ohm •circ mil/ft................................ 438
μΩ•m...............................................0.728
TYPICAL MECHANICAL PROPERTIES
INCOLOY 909
Corresponding parameter set not found, please add it in property template of background
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暂未实现,敬请期待
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