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Special Metals INCONEL® Alloy G-3

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® Alloy G-3.pdf
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Material Notes:
A nickel-chromium-iron alloy with additions of molybdenum and copper. It has good weldability and resistance to intergranular corrosion in the welded condition. The low carbon content helps prevent sensitization and consequent intergranular corrosion of weld heat-affected zones. Use for flue-gas scrubbers and for handling phosphoric and sulfuric acids. Standard product forms are round, plate, sheet, strip, pipe, tube, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.14 g/cc
0.294 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 500 MPa

@Temperature 550 °C
72500 psi

@Temperature 1020 °F
Solution Annealed prior to test
690 MPa

@Temperature 23.0 °C
100000 psi

@Temperature 73.4 °F
Tensile Strength, Yield 320 MPa

@Strain 0.200 %
46400 psi

@Strain 0.200 %
Solution Annealed. Value at room temperature
190 MPa

@Strain 0.200 %,
Temperature 550 °C
27600 psi

@Strain 0.200 %,
Temperature 1020 °F
Solution Annealed prior to test
Elongation at Break 60 %
60 %
Solution Annealed
65 %

@Temperature 550 °C
65 %

@Temperature 1020 °F
Solution Annealed prior to test.
Thermal Properties Metric English Comments
CTE, linear 14.6 µm/m-°C

@Temperature 20.0 - 100 °C
8.11 µin/in-°F

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.452 J/g-°C
0.108 BTU/lb-°F
Thermal Conductivity 10.0 W/m-K
69.4 BTU-in/hr-ft²-°F
Melting Point 1260 - 1340 °C
2300 - 2440 °F
Solidus 1260 °C
2300 °F
Liquidus 1340 °C
2440 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.015 %
<= 0.015 %
Chromium, Cr 21 - 23.5 %
21 - 23.5 %
Cobalt, Co <= 5.0 %
<= 5.0 %
Copper, Cu 1.5 - 2.5 %
1.5 - 2.5 %
Iron, Fe 18 - 21 %
18 - 21 %
Manganese, Mn <= 1.0 %
<= 1.0 %
Molybdenum, Mo 6.0 - 8.0 %
6.0 - 8.0 %
Nickel, Ni 40 %
40 %
As remainder
Niobium, Nb (Columbium, Cb) <= 0.50 %
<= 0.50 %
Includes Ta
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.030 %
<= 0.030 %
Tungsten, W <= 1.5 %
<= 1.5 %
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