Astm B517. Standard specifications for nickel, chromium, and iron welded pipe (UNS N06600, UNS N06603, UNS N06025, and UNS N06045).
B517 Relevance.
American Society for Testing and Materials (ASTM). Current revision in 2005. These standards were originally approved at the beginning of the 20th century. The last previous revision was approved in 2000. The Astm B517 specification establishes requirements for chromium-nickel alloy welded pipe.
Alloy 600.
This is the base alloy and is used where high corrosion resistance is required, along with high temperature endurance. The analogues of Inconel 600 (Astm B517) are the alloys KhN60VT and KhN78T (GOST 5632).
Chemical composition of Alloy 600 (ASTM B517).
| Ni | Cr | Cu | Mn | C | Si | S | Fe |
| >72,0 | 14,0-17 | <0,50 | 1 | <0,15 | <0,50 | <0,015 | 6,0-10 |
Corrosion resistance
Nickel gives the alloy good resistance in alkaline solutions as well. The alloy is insensitive to corrosion cracking caused by chlorine ions. And the presence of 14-17% Cr provides a neutral reaction in sulphuric and acidic environments at high temperatures.
Mechanical properties
| tensile strength | 95 ksi | 655 MPa | |
| Yield strength (0.2% deviation) | 45 ksi | 310 MPa | |
| Elongation rate, min. | 40% | ||
The combination of good mechanical properties with high toughness, ease of machinability provide the versatile use of this alloy.
Physical Properties
The density (weight) of Inkonel 600 alloy is 8.47 g/cm3.
Thermal properties
| Melting range | 2470-2575 °F | 1354-1413 °С | |
| Specific heat capacity | 0.106 Btu/lb*°F | 444 J/kg*°C | |
| Curry temperature | -192°F | -124 °С | |
Conductivity |
at 15.9 kA/m | ||
| 1,01 | |||
| Modulus of elasticity | 214 kN/mm2 | ||
Tensile strength |
at 70-200 °F | at 21-93 °F | |
| 7.4*10-6 in/in*°F |
13,3 µm/m*°C | ||
| Thermal conductivity | 103 Btu*in/ft2*h*°F | 14,9 W/m*°C | |
| Electrical resistance | 620 ohm*circ mil/ft | 1.03 µohm*m | |
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