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Haynes Hastelloy® C-2000® Nickel Alloy Synergic Gas Metal Arc Welded (GMAW) Plate
Categories: Metal; Nonferrous Metal; Nickel Alloy
Material Notes: Nickel-chromium-molybdenum (Ni-Cr-Mo) C-type alloys have a long history of use in the Chemical Process Industries and are known for their versatility. Not only do they resist all acids (especially hydrochloric, sulfuric, and hydrofluoric) over large temperature ranges, but they also resist the insidious types of attack induced by chlorides and other halide solutions, specifically pitting, crevice attack, and stress corrosion cracking. HASTELLOY® C-2000® alloy has greater versatility than traditional Ni-Cr-Mo alloys. This was accomplished by use of a high chromium content, a high molybdenum content, and a small but effective addition of copper. The copper provides enhanced temperature capability in sulfuric acid, hydrofluoric acid, and dilute hydrochloric acid.

C-2000 alloy is available in plate, sheet, strip, billet, bar, wire, covered electrodes, pipe, and tubing.

Applications:

  • Chemical process industry reactors, heat exchangers, columns, and piping.
  • Pharmaceutical industry reactors and dryers.
  • Flue gas desulfurization systems.

C-2000 alloy is covered by ASME, ASTM, AWS, DIN, and TÜV specifications.

Welding: The weldability of C-2000 alloy is similar to that of C-276 alloy. To weld the C-type alloys, three processes are commonly used. For sheet welds and plate root passes, gas tungsten arc (GTAW) welding is favored. For plate welds, the gas metal arc (GMAW) process is preferred. For field welding, the shielded metal arc process, using coated electrodes, is favored. Submerged arc welding is not recommended as this process is characterized by high heat input to the base metal and slow cooling of the weld. To minimize the precipitation of second phases in regions affected by the heat of welding, a maximum interpass temperature of 93°C (200°F) is recommended for the C-type alloys. Welding of cold-worked materials is strongly discouraged, since they sensitize more quickly and induce residual stresses. A full solution anneal, followed by water quenching, is recommended for cold-worked structures prior to welding.

Base Metal Preparation: The joint surface and adjacent area should be thoroughly cleaned before welding. All grease, oil, crayon marks, sulfur compounds, and other foreign matter should be removed.

Filler Metal Selections: For gas tungsten arc and gas metal arc welding, C-2000 filler wire (ERNiCrMo-17) is suggested. For shielded metal arc welding,C-2000 covered electrodes (ENiCrMo-17) are suggested.

Heat Treatment: The standard solution annealing treatment consists of heating to 1135°C (2075°F) followed by rapid air-cooling or water quenching. Parts which have been hot formed should be solution annealed prior to final fabrication or installation.

Forming: C-2000 alloy has excellent forming characteristics, and cold forming is the preferred method of shaping. The alloy can be easily cold worked due to its good ductility. The alloy is generally stiffer than the austenitic stainless steels so more energy is required during cold forming.

Tensile and impact properties reported are for transverse welded samples. Other properties are typical of the alloy.

Data provided by the manufacturer, Haynes International, Inc.
Key Words: UNS N06200
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 8.50 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 582 MPa
@Thickness 12.7 mm,
Temperature 538 °C
 654 MPa
@Thickness 12.7 mm,
Temperature 260 °C
 783 MPa
@Thickness 12.7 mm,
Temperature 25.0 °C
Tensile Strength, Yield 301 MPa
@Thickness 12.7 mm,
Temperature 538 °C		0.2% offset
 352 MPa
@Thickness 12.7 mm,
Temperature 260 °C		0.2% offset
 456 MPa
@Thickness 12.7 mm,
Temperature 25.0 °C		0.2% offset
Elongation at Break 42.1 %
@Thickness 12.7 mm,
Temperature 25.0 °C
 43.1 %
@Thickness 12.7 mm,
Temperature 260 °C
 45.6 %
@Thickness 12.7 mm,
Temperature 538 °C
Modulus of Elasticity 162 GPa
@Temperature 649 °C
 171 GPa
@Temperature 538 °C
 177 GPa
@Temperature 427 °C
 190 GPa
@Temperature 316 °C
 207 GPa
@Temperature 25.0 °C
Charpy Impact 106 J
@Thickness 12.7 mm,
Temperature -196 °C		Mid-Weld
 142 J
@Thickness 12.7 mm,
Temperature 25.0 °C		Mid-Weld
 203 J
@Thickness 12.7 mm,
Temperature -196 °C		Heat Affected Zone
 240 J
@Thickness 12.7 mm,
Temperature 25.0 °C		Heat Affected Zone
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.000128 ohm-cm
@Temperature 25.0 °C
 0.000129 ohm-cm
@Temperature 100 °C
 0.000130 ohm-cm
@Temperature 200 °C
 0.000131 ohm-cm
@Temperature 300 °C
 0.000132 ohm-cm
@Temperature 400 °C
 0.000134 ohm-cm
@Temperature 500 °C
 0.000135 ohm-cm
@Temperature 600 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.4 µm/m-°C
@Temperature 25.0 - 100 °C
 12.4 µm/m-°C
@Temperature 25.0 - 200 °C
 12.6 µm/m-°C
@Temperature 25.0 - 300 °C
 12.9 µm/m-°C
@Temperature 25.0 - 400 °C
 13.2 µm/m-°C
@Temperature 25.0 - 500 °C
 13.3 µm/m-°C
@Temperature 25.0 - 600 °C
Specific Heat Capacity 0.428 J/g-°C
@Temperature 25.0 °C
 0.434 J/g-°C
@Temperature 100 °C
 0.443 J/g-°C
@Temperature 200 °C
 0.455 J/g-°C
@Temperature 300 °C
 0.468 J/g-°C
@Temperature 400 °C
 0.486 J/g-°C
@Temperature 500 °C
 0.536 J/g-°C
@Temperature 600 °C
Thermal Conductivity 9.10 W/m-K
@Temperature 25.0 °C
 10.8 W/m-K
@Temperature 100 °C
 12.6 W/m-K
@Temperature 200 °C
 14.1 W/m-K
@Temperature 300 °C
 16.1 W/m-K
@Temperature 400 °C
 18.0 W/m-K
@Temperature 500 °C
 21.6 W/m-K
@Temperature 600 °C
Melting Point 1328 - 1358 °C
Solidus 1328 °C
Liquidus 1358 °C
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 2075 - 2100 °Ffollowed by rapid air-cooling or water quenching
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al <= 0.50 %
Carbon, C <= 0.010 %
Chromium, Cr 23 %
Copper, Cu 1.6 %
Iron, Fe <= 3.0 %
Manganese, Mn <= 0.50 %
Molybdenum, Mo 16 %
Nickel, Ni >= 57 %as balance
Silicon, Si <= 0.080 %
 
Descriptive Properties
Thermal Diffusivity (cm2/s)at 100°C
 at 200°C
 at 25°C
 at 300°C
 at 400°C
 at 500°C
 at 600°C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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