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产品名称

NI-SPAN-C 902

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产品描述
A nickel-iron-chromium alloy made precipitation hardenable by additions of aluminum and titanium. The titanium content also helps provide a controllable thermoelastic coefficient, which is the alloy's outstanding characteristic. The alloy can be processed to have a constant modulus of elasticity at temperatures from –50 to 150˚F (–45 to 65˚C). Used for precision springs, mechanical resonators and other precision elastic components.
STANDARD PRODUCT FORMS
Round bar.
MAJOR SPECIFICATIONS
UNS N09902, SAE AMS 5221, 5223, 5225 
LIMITING CHEMICAL COMPOSITION, %
Limiting
Ni a .....41.0 – 43.5
Fe ......Remainder
Cr ........4.9 – 5.75
a Plus Co.
Ti ........2.2 – 2.75
Al ......0.30 – 0.80
C ..........0.06 max.
Mn .......0.80 max.
S ..........0.04 max.
Si ...........1.0 max.
P ..........0.04 max.
PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3 ........................................................................0.291
g/cm3 .........................................................................8.05
Melting Range, °F ...................................................2650 – 2700
°C ...................................................1450 – 1480
Specific Heat, Btu/lb • °F ......................................................0.12
J/kg • °C ...........................................................500
Curie Temperature, °F ...........................................................380
°C ...........................................................190
Young's Modulus, 106 psi ...............................................24 – 29
GPa ...............................................165 – 200
Modulus of Rigidity, 106 psi ..............................................9 – 10
GPa ................................................62 – 69
Coefficient of Expansion, 70 – 200°F, 10 -6 in/in • °F........4.2
20 – 93°C, µm/m • °C ...............7.6
Thermal Conductivity, Btu • in/ft 2 • h • °F ..............................84
W/m • °C..........................................12.1
Electrical Resistivity, ohm • circ mil/ft ...............................611
µ Ω• m ................................................1.02
TYPICAL MECHANICAL PROPERTIES
(Precipitation Hardened)
Tensile Strength, ksi ...............................................................175
MPa ..........................................................1210
Yield Strength (0.5% Offset), ksi ........................................110
MPa .....................................760
Elongation, % ..............................................................................25
Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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