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Inconel 783(UNS R30783)

Price
¥188
Quantity Supplied
10000
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商品说明

Inconel 783(UNS R30783)

1.Inconel 783 INTRODUCTION

An oxidation-resistant low coefficient of thermal  expansion (low CTE) superalloy developed for gas  turbine applications. The alloy is strengthened by  a precipitation-hardening heat treatment made  possible by additions of niobium and aluminum.  In addition, the aluminum content provides  excellent resistance to oxidation at high  temperatures. The alloy's density is 5% less than  those of superalloys such as INCONEL alloy 718.  The combination of low expansion, high strength  and excellent resistance to oxidation makes the  alloy especially useful for gas turbine and steam  turbine components. The low expansion enables  closer control of clearances and tolerances for  greater power output and fuel efficiency.

2.Inconel 783 STANDARD  PRODUCT FORMS

Sheet, round bar, wire and extruded section.

3.Inconel 783 MAJOR  SPECIFICATIONS

UNS R30783 

SAE AMS 5940

4.Inconel 783 LIMITING CHEMICAL  COMPOSITION, %

Ni......26.0 – 30.0

Fe..... 24.0 – 27.0 

Co......Remainder 

Al ...........5.0 – 6.0 

Nb .........2.5 – 3.5 

Cr ..........2.5 – 3.5 

Ti ...........0.1 – 0.4 

B...0.003 – 0.012 

C............ 0.3 max.

Cu........0.50 max. 

Mn.......0.50 max. 

P....... 0.015 max. 

S....... 0.005 max. 

Si.........0.50 max.

5.Inconel 783 PHYSICAL CONSTANTS  AND THERMAL  PROPERTIES

Density, Ib/in3  (g/cm3)........................................... 0.282 (7.81)

Melting Range, °F (°C).............2437 – 2565 (1336 – 1407) 

 Specific Heat, Btu/lb•°F (J/kg•°C)......................0.109 (455) 

Coefficient of Expansion, 10-6 in/in•°F (μm/m•°C) 

70-200°F (21–93°C)..................5.60 (10.08) 

70-500°F (21–260°C) ...............5.74 (10.94) 

70-800°F (21–427°C) ...............6.08 (10.67) 

70-1000°F (21–538°C).............6.57 (11.83) 

70-1200°F (21–650°C)............. 7.15 (12.87) 

Thermal ConductivityA , Btu•in/ft2•h•°F (W/m•°C)....70.9 (10.2) 

Electrical ResistivityA , ohm•circ mil/ft (μΩ•m)....615 (1.021) 

Young’s ModulusA , 106  psi (GPa)............................ 26.8 (185) 

Shear’s ModulusA , 106  psi (GPa)................................. 9.7 (67) 

Poisson’s RatioA...................................................................... 0.38 

HardnessA , HRC ................................................................30 – 38 

A Room temperature, as aged.

6.Inconel 783 TYPICAL MECHANICAL  PROPERTIES

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