inconel600 seamless stainless steel tube
Inconel alloys are oxidation-corrosion-resistant materials well suited for service in extreme environments subjected to pressure and heat. When heated, Inconel forms a thick, stable, passivating oxide layer protecting the surface from further attack.
Inconel retains strength over a wide temperature range, attractive for high-temperature applications where aluminum and steel would succumb to creep as a result of thermally induced crystal vacancies. Inconel's high-temperature strength is developed by solid solution strengthening or precipitation hardening, depending on the alloy.
Inconel alloys are typically used in high temperature applications.
Simple description:
lnconel 600 is a nickel-chromium alloy designed for use from cryogenic to very high temperatures in the range of 2000 °F (1093 °C). It is a standard engineering material for applications which require resistance to corrosion, oxidation, and elevated temperatures so it is used in a variety of corrosion resisting applications. The high nickel content of the material provides exceptional resistance to chloride stress corrosion cracking. The chromium content of Alloy 600 grants the alloy resistance to sulfur compounds while also providing resistance under conditions where oxidation at high temperatures are a concern, or when the metal will be exposed to corrosive solutions. Nickel alloy 600 also has excellent resistance to nitrogen at high temperatures. This alloy can only be hardened and strengthened through cold work, however a wide variety of desirable mechanical properties can be obtained by combining cold working with thermal treatments.
Chemical Composition:
| Inconel |
Element, proportion by mass (%) |
| Ni |
Cr |
Fe |
Mo |
Nb & Ta |
Co |
Mn |
Cu |
Al |
Ti |
Si |
C |
S |
P |
B |
| 600 |
≥72.0[a] |
14.0-17.0 |
6.0-10.0 |
|
|
N/A |
≤1.0 |
≤0.5 |
|
|
≤0.5 |
≤0.15 |
≤0.015 |
|
|
| 617 |
44.2-61.0 |
20.0-24.0 |
≤3.0 |
8.0-10.0 |
|
10.0-15.0 |
≤0.5 |
≤0.5 |
0.8-1.5 |
≤0.6 |
≤0.5 |
0.05-0.15 |
≤0.015 |
≤0.015 |
≤0.006 |
| 625 |
≥58.0 |
20.0-23.0 |
≤5.0 |
8.0-10.0 |
3.15-4.15 |
≤1.0 |
≤0.5 |
|
≤0.4 |
≤0.4 |
≤0.5 |
≤0.1 |
≤0.015 |
≤0.015 |
|
| 690 |
≥58 |
27-31 |
7-11 |
|
|
|
≤0.50 |
≤0.50 |
|
|
≤0.50 |
≤0.05 |
≤0.015 |
|
|
| Nuclear grade 690 |
≥58 |
28-31 |
7-11 |
|
|
≤0.10 |
≤0.50 |
≤0.50 |
|
|
≤0.50 |
≤0.04 |
≤0.015 |
|
|
| 718 |
50.0-55.0 |
17.0-21.0 |
Balance |
2.8-3.3 |
4.75-5.5 |
≤1.0 |
≤0.35 |
≤0.3 |
0.2-0.8 |
0.65-1.15 |
≤0.35 |
≤0.08 |
≤0.015 |
≤0.015 |
≤0.006 |
| X-750 |
≥70.0 |
14.0-17.0 |
5.0-9.0 |
|
0.7-1.2 |
≤1.0 |
≤1.0 |
≤0.5 |
0.4-1.0 |
2.25-2.75 |
≤0.5 |
≤0.08 |
≤0.01 |
|
|
Physical Properties of inconel600
Density: 0.304 lbs/in3, 8.42 g/cm3
Electrical Resistivity, ohm-circ mil/ft, (µ0-m): 620 (1.03)
Specific Heat, Btu/lb-°F, (J/kg-°C): 0.106 (444)
Mean Coefficient of Thermal Expansion: in/in/° F (mm/m/°C)
70 -20 0 ° F (21 -93 °C) -6.9 x 10·6 (12.4)
70 -40 0 ° F (21 -20 4 °C)-7.3 x 10·6 (13.1)
Modulus of Elasticity: ksi (MPa)
30 x 103 (20 7 x 103) in tension
Magnetic Permeability, H = 20 0 Oersteds:
Annealed: 1.010
Melting Point: 2470 -2576 ° F (1354 -1413 °C)
| Steel Grade |
Tensile Strength, N/mm2 (min) |
Yield Strength, N/mm2 (min) |
Elongation, % (min) |
| TP304 |
515 |
205 |
35 |
| TP304L |
485 |
170 |
35 |
| TP316 |
515 |
205 |
35 |
| TP316L |
485 |
170 |
35 |
| TP321 |
OD < 17,1 mm - 515;
OD > 17,1 mm - 485 |
OD < 17,1 mm - 205;
OD > 17,1 mm - 170 |
35 |
ASTM A312 Chemical Composition:
| Steel Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
S |
P |
| TP304 |
0,08 |
0,75 |
2 |
18 - 20 |
8 - 11 |
- |
0,03 |
0,04 |
| TP304L |
0,035 |
0,75 |
2 |
18 - 20 |
8 - 13 |
- |
0,03 |
0,04 |
| TP316 |
0,08 |
0,75 |
2 |
16 - 18 |
11 - 14 |
2 - 3 |
0,03 |
0,04 |
| TP316L |
0,035 |
0,75 |
2 |
16 - 18 |
10 - 15 |
2 - 3 |
0,03 |
0,04 |
| TP321 |
0,08 |
0,75 |
2 |
17 - 20 |
9 - 13 |
- |
0,03 |
0,04 |
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