Alloy 600
- ALLOY 600 • UNS N06600 • WNR 2.4816
Alloy 600 is a nickel-chromium alloy designed for use from cryogenic to elevated temperatures in the range of 2000°F (1093°C). The high nickel content of the alloy enables it to retain considerable resistance under reducing conditions and makes it resistant to corrosion by a number of organic and inorganic compounds. The nickel content gives it excellent resistance to chloride-ion stress-corrosion cracking and also provides excellent resistance to alkaline solutions.
Its chromium content gives the alloy resistance to sulphur compounds and various oxidizing environments. The chromium content of the alloy makes it superior to commercially pure nickel under oxidizing conditions. In strong oxidizing solutions like hot, concentrated nitric acid Alloy 600 has poor resistance. Alloy 600 is relatively un-attacked by the majority of neutral and alkaline salt solutions and is used in some caustic environments. The alloy resists steam and mixtures of steam, air and carbon dioxide.
- Available Tube Product form
- Straight
- Seamless
- Typical Applications
- Heat exchangers
- Thermocouples
- Control and instrumentation tubes
- Industries predominantly using this Grade
- Chemical processes
- Nuclear and Power
- Typical Manufacturing Specifications
- ASTM B163
- ASTM B167
- AMS 5580
- BS 3074
- Also individual customer specifications.
- Technical Data
Mechanical Properties
Temper | Annealed | |
Tensile Rm | 110 | ksi (min) |
Tensile Rm | 738 | MPa (min) |
R.p. 0.2% Yield | 37 | ksi (min) |
R.p. 0.2% Yield | 255 | MPa (min) |
Elongation (2” or 4D gl) | 45 | % (min) |
Physical Properties (Room Temperature)
Specific Heat (0-100°C) | 460 | J.kg-1.°K-1 |
Thermal Conductivity | 14.8 | W.m -1.°K-1 |
Thermal Expansion | 12.4 | μm/μm/°C |
Modulus Elasticity | 207 | GPa |
Electrical Resistivity | 10.3 | Ohm-cm |
Density | 8.42 | g/cm3 |
Chemical Composition (% by weight)
Element | Min | Max |
C | - | 0.15 |
Si | - | 0.5 |
Mn | - | 1 |
S | - | 0.015 |
Cr | 14 | 17 |
Cu | - | 0.5 |
Fe | 6 | 10 |
Ni | 72 | - |
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