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Inconel 690(UNS N06690 W.Nr.2.4642)

Price
¥188
Quantity Supplied
10000
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商品说明

Inconel 690(UNS  N06690 W.Nr.2.4642)

1.Inconel 690 INTRODUCTION

INCONEL alloy 690 is a high-chromium  nickel alloy with excellent resistance to many  corrosive aqueous media and high-temperature  atmospheres. The alloy's high chromium content  gives it excellent resistance to aqueous corrosion  by oxidizing acids (especially nitric acid) and  salts, and to sulfidation at high-temperatures.  In addition to its corrosion resistance, alloy 690  has high strength, good metallurgical stability  and favorable fabrication characteristics.

2.Inconel 690 STANDARD  PRODUCT FORMS

Pipe, tube, plate, round bar and forging stock.

3.Inconel 690 MAJOR  SPECIFICATIONS

UNS N06690 

ASTM B 163, B 166 – B 168,   B 564, B 829 

ASME Code Cases 2083,  N-20, N-525 

ASME SB-163, SB-166 –   SB-168, SB-564, SB-829 

Werkstoff Nr. 2.4642

ISO 6207, 6208, 9723 

ISO NW6690

4.Inconel 690 LIMITING CHEMICAL  COMPOSITION, %

Ni ........58.0 min. 

Cr...... 27.0 – 31.0 

Fe........7.0 – 11.0 

C..........0.05 max. 

Plus Co. 

Mn.......0.50 max. 

S....... 0.015 max. 

Si.........0.50 max. 

Cu........0.50 max.

5.Inconel 690 PHYSICAL CONSTANTS  AND THERMAL  PROPERTIES

Density, Ib/in3 .........................................................................0.296 

g/cm3 ......................................................................... 8.19 

Melting Range, °F...................................................2450 – 2510  

°C...................................................1343 – 1377 

Specific Heat, Btu/lb•°F.....................................................0.107 

J/kg•°C........................................................... 450 

Permeability at 200 Oersted (15.9 kA/m)....................1.001 

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

70-200°F (21–93°C)..................... 7.80 (14.0) 

70-1000°F (21–538°C)................8.53 (15.4) 

70-1600°F (21–970°C)................9.38 (16.9) 

Thermal ConductivityA , Btu•in/ft2•h•°F....................................84 

W/m•°C............................................. 12.1 

Electrical ResistivityA , ohm•circ mil/ft..................................691

μΩ•m..................................................1.15 

Young’s ModulusA , 106  psi.................................................... 30.6 

GPa .......................................................... 211

Poisson’s RatioA...................................................................... 0.29

HardnessA , HRB ..........................................................................85 

A Room temperature, as aged.

6.Inconel 690 TYPICAL MECHANICAL  PROPERTIES

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