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INCONEL® alloy 718 (UNS N07718, Werkstoff Nr. 2.4668)
A precipitation-hardenable nickel-chromium alloy also containing significant amounts of iron, niobium, and molybdenum along with lesser amounts of aluminum and titanium. It combines corrosion resistance and high strength with outstanding weldability including resistance to post weld cracking. The alloy has excellent creep-rupture strength at temperatures to 1300°F (700°C). Used in gas turbines, rocket motors, spacecraft, nuclear reactors, pumps, and tooling. INCONEL alloy 718SPF™ is a special version of INCONEL alloy 718, designed for super plastic forming.
ASTM B637 Inconel 718 Wire
Specifications
| Standards |
Designation |
| ASTM |
B 637 |
| ASME |
SB 637 |
| Standard |
Inconel 718 |
| UNS |
N07718 |
| Werkstoff Nr. |
2.4668 |
ASTM B637 Inconel 718 Wire Inventory Stock at factory rate:-
| Sizes |
Availability |
| 0.4mm |
|
| 0.5mm |
|
| 0.8mm |
|
| 1mm |
|
| 1.2mm |
|
| 1.6mm |
|
| 2mm |
|
| 2.5mm |
|
| 3mm |
|
| 4mm |
|
| 5mm |
|
Dimensions
Chemical Composition
|
Inconel 718 |
| Ni |
50 – 55 |
| Fe |
Bal |
| Cr |
17 – 21 |
| Cu |
0.3 max |
| Mo |
2.8 – 3.3 |
| Nb |
4.75 – 5.5 |
| C |
0.08 max |
| Mn |
0.35 max |
| P |
0.015 max |
| S |
0.015 max |
| Si |
0.35 max |
| Ti |
0.65 – 1.15 |
| Al |
0.2 – 0.8 |
| Co |
1.0 max |
| B |
0.006 max |
Mechanical & Physical Properties – Inconel 718
| Density |
8.2 g/cm3 |
| Melting Point |
1350 °C (2460 °F) |
| Tensile Strength |
Psi – 135,000 , MPa – 930 |
| Yield Strength (0.2%Offset) |
Psi – 70,000 , MPa – 482 |
| Elongation |
45 % |
Specifications
| Form |
Standard |
| Metal Type |
UNS N07718 |
| Bar |
ASTM B637 AMS 5662 AMS 5663 AMS 5664 PWA 1009 PWA 1010 GE B50TF15 |
| Wire |
AMS 5832 |
| Sheet |
ASTM B670 AMS 5596 AMS 5597 PWA 1033 GE B50TF14 ASTM B670 ASTM B637 |
| Plate |
ASTM B670 AMS 5596 AMS 5597 PWA 1033 GE B50TF15 ASTM B670 ASTM B637 |
Tube |
AMS 5589 AMS 5590 |
Pipe |
AMS 5589 AMS 5590 |
| Fitting |
- |
| Forging |
ASTM B637 AMS 5562 AMS 5663 AMS 5664 PWA 1009 PWA 1010 GE B50TF15 |
| Weld Wire |
A5.14 ERNiFeCr-2 |
Weld Electrode |
- |
| Din |
2.4668 |
Subcategory: Metal; Nickel Base; Superalloy
Key Words: IN718, INCONEL 718, AFNOR NC 19 Fe Nb, UNS N07718; ASTM B637, B670; ASME Boiler Code Sections I, III; AMS 5589, AMS 5590, AMS 5596, AMS 5597, AMS 5662, AMS 5663, AMS 5664, AMS 5832, Werkstoff Nr. 2.4668; WL Nr. 2.4668; MIL-N-24469; NACE MR-01-75; AECMA Pr EN 2404, 2405, 2407, 2408, 2952, 2961, 3219
Component Wt. %
Al 0.2 - 0.8
B Max 0.006
C Max 0.08
Co Max 1
Cr 17 - 21 |
4.75-5.5
Component Wt. %
Cu Max 0.3
Fe 17
Mn Max 0.35
Mo 2.8 - 3.3
Nb |
Component Wt. %
Ni 50 - 55
P Max 0.015
S Max 0.015
Si Max 0.35
Ti 0.65 - 1.15 |
Forms: round, flat, extruded section, pipe, tube, forging stock, plate, sheet, strip and wire.
| Electrical Properties |
| Electrical Resistivity |
0.000125 ohm-cm |
0.000125 ohm-cm |
|
| Magnetic Permeability |
1.0011 |
1.0011 |
at 200 oersted (15.9 kA/m) |
| Curie Temperature |
-112 °C |
-170 °F |
|
Thermal Properties |
| CTE, linear 20°C |
13 µm/m-°C |
7.22 µin/in-°F |
20-100°C |
| Heat Capacity |
0.435 J/g-°C |
0.104 BTU/lb-°F |
|
| Thermal Conductivity |
11.4 W/m-K |
79.1 BTU-in/hr-ft²-°F |
|
| Melting Point |
1260 - 1336 °C |
2300 - 2440 °F |
|
| Solidus |
1260 °C |
2300 °F |
|
| Liquidus |
1336 °C |
2440 °F |
|
Main Export Market
- Eastern Europe
- North America
- Mid East/Africa
- Central/South America
- Asia
- Western Europe
- Australasia
- UAE
Sales Locations
U.A.E,
Oman,
Saudi Arabia,
Qatar,
Bahrain,
Egypt,
Turkey
Singapore,
Thailand,
Malaysia
Indonesia
Poland
Italy
Portugal
Spain
Brazil
Chile
Venezuela
Costa Rica
USA
Canada
Angola
Sri Lanka
Russia
