Inconel 600 / 601 / 625 / 718 are high-performance nickel-chromium-based superalloys engineered for exceptional strength, oxidation resistance, and corrosion resistance at elevated temperatures. These grades maintain excellent mechanical properties under extreme heat, pressure, and chemically aggressive environments. Inconel alloys offer outstanding resistance to oxidation, carburization, chloride stress corrosion cracking, and creep, making them ideal for severe service conditions. Inconel 600 / 601 / 625 / 718 are widely used in aerospace components, gas turbines, heat exchangers, nuclear reactors, chemical processing equipment, and high-temperature industrial applications where reliability, durability, and long service life are critical.
Other Types of Inconel Alloy 600 / 601 / 625 / 718 Bars
CHEMICAL COMPOSITION OF INCONEL 600/601/625/718 ROUND BAR
Grade
Ni
Fe
C
Mn
Si
Cu
Cr
S
Mo
Co
Al
Ti
Nb
600
72.0 min
6.0–10.0
0.15 max
1.0 max
0.50 max
0.50 max
14.0–17.0
0.015 max
–
–
–
–
–
601
58.0–63.0
Balance
0.10 max
1.0 max
0.50 max
1.0 max
21.0–25.0
0.015 max
–
–
1.0–1.7
–
–
625
58.0 min
5.0 max
0.10 max
0.50 max
0.50 max
0.50 max
20.0–23.0
0.015 max
8.0–10.0
1.0 max
0.40 max
0.40 max
3.15–4.15
718
50.0–55.0
Balance
0.08 max
0.35 max
0.35 max
0.30 max
17.0–21.0
0.015 max
2.8–3.3
1.0 max
0.20–0.80
0.65–1.15
4.75–5.50
MECHANICAL PROPERTIES OF INCONEL ROUND BAR
Grade
Tensile Strength (psi)
Yield Strength 0.2% (psi)
Elongation (%)
600
95,000
45,000
40
601
80,000
30,000
35
MECHANICAL PROPERTIES OF INCONEL 625 (AT TEMPERATURE)
Temp (°F)
Tensile (psi)
Yield 0.2% (psi)
Elongation (%)
70
144,000
84,000
44
400
134,000
66,000
45
600
132,000
63,000
42.5
800
131,500
61,000
45
1000
130,000
60,500
48
1200
119,000
60,000
34
1400
78,000
58,500
59
1600
40,000
39,000
117
MECHANICAL PROPERTIES OF INCONEL 625 / 718
Grade
Tensile Strength
Yield Strength (0.2%)
Elongation
625
135,000 psi (930 MPa)
75,000 psi (517 MPa)
42.5%
718
135,000 psi (930 MPa)
70,000 psi (482 MPa)
45%
💡 Practical Difference in Use
Use Inconel 600 / 601 / 625 / 718 Round Bars when: exceptional resistance to high temperatures, oxidation, corrosion, and extreme mechanical stress is required. Inconel alloys are nickel-based superalloys known for outstanding performance in severe environments, retaining strength and structural integrity at elevated temperatures.
→ Example: gas turbines, aerospace components, heat exchangers, nuclear reactors, chemical processing equipment, and high-pressure systems.
Bright Finished / Machined Inconel Round Bars when: high dimensional accuracy, superior surface finish, and precision machining are essential. Bright drawn or ground Inconel bars improve machinability and consistency while maintaining excellent strength and corrosion resistance.
→ Example: turbine shafts, aerospace fasteners, valve stems, precision engine components, and CNC-machined parts.
