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产品名称
INCONEL X-750
产品描述
A nickel-chromium alloy similar to INCONEL alloy 600 but made precipitation hardenable by additions of aluminum and titanium. It has good resistance to corrosion and oxidation along with high tensile and creep-rupture properties at temperatures to 1300°F (700°C). Its excellent relaxation resistance is useful for high-temperature springs and bolts. Used in gas turbines, rocket engines, nuclear reactors, pressure vessels, tooling and aircraft structures.
STANDARD PRODUCT FORMS
Sheet, strip, plate, round bar, flat bar, forging stock,
hexagon, wire, tubing and extruded section.
hexagon, wire, tubing and extruded section.
MAJOR SPECIFICATIONS
UNS N07750
BS HR 505
ASTM B 637
ASME SB-637
Werkstoff Nr. 2.4669
NACE MR-0175/ISO 15156
SAE AMS 5542, 5582, 5583,
5598, 5667 – 5671, 5698,
5699, 5747
EN 10269
ISO 6208, 9723 – 9725
BS HR 505
ASTM B 637
ASME SB-637
Werkstoff Nr. 2.4669
NACE MR-0175/ISO 15156
SAE AMS 5542, 5582, 5583,
5598, 5667 – 5671, 5698,
5699, 5747
EN 10269
ISO 6208, 9723 – 9725
LIMITING CHEMICAL COMPOSITION, %
Nia.........70.0 min.
Cr...... 14.0 – 17.0
Fe...........5.0 – 9.0
Ti.......2.25 – 3.75
aPlus Co.
Al.......0.40 – 1.00
Nbb....0.70 – 1.20
C...........0.08 max.
Mn........1.00 max.
bPlus Ta.
Si..........0.50 max.
S...........0.01 max.
Cu........0.50 max.
Coc.......1.00 max.
CIf determined.
Cr...... 14.0 – 17.0
Fe...........5.0 – 9.0
Ti.......2.25 – 3.75
aPlus Co.
Al.......0.40 – 1.00
Nbb....0.70 – 1.20
C...........0.08 max.
Mn........1.00 max.
bPlus Ta.
Si..........0.50 max.
S...........0.01 max.
Cu........0.50 max.
Coc.......1.00 max.
CIf determined.
PHYSICAL CONSTANTS AND THERMAL PROPERTIES
Density, Ib/in3..........................................................................0.299
g/cm3......................................................................... 8.28
Melting Point, °F......................................................2540 – 2600
°C......................................................1390 – 1430
Specific Heat, Btu/lb •°F.....................................................0.103
J/kg •°C........................................................... 431
Curie Temperature, °F........................................................... -193
°C.......................................................... -125
Permeability at 200 Oersted (15.9 kA/m).................. 1.0035
Coefficient of Expansion, 70 – 200°F, 10-6 in/in •°F........ 7.0
21 – 93°C, μm/m •°C............. 12.6
Thermal Conductivity, Btu • in/ft2• h•°F...............................83
W/m•°C........................................... 12.0
Electrical Resistivity, ohm • circ mil/ft.............................. 731
μΩ•m................................................. 1.22
g/cm3......................................................................... 8.28
Melting Point, °F......................................................2540 – 2600
°C......................................................1390 – 1430
Specific Heat, Btu/lb •°F.....................................................0.103
J/kg •°C........................................................... 431
Curie Temperature, °F........................................................... -193
°C.......................................................... -125
Permeability at 200 Oersted (15.9 kA/m).................. 1.0035
Coefficient of Expansion, 70 – 200°F, 10-6 in/in •°F........ 7.0
21 – 93°C, μm/m •°C............. 12.6
Thermal Conductivity, Btu • in/ft2• h•°F...............................83
W/m•°C........................................... 12.0
Electrical Resistivity, ohm • circ mil/ft.............................. 731
μΩ•m................................................. 1.22
TYPICAL MECHANICAL PROPERTIES
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