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Nickel Alloy: Alloy 200

Penn Stainless offers Nickel 200 (UNS N02200) in the following tubular forms:

  • Welded Alloy 200 Pipe
  • Welded Alloy 200 Tube
  • Seamless Alloy 200 Pipe
  • Seamless Alloy 200 Tube

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General Properties
Alloy 200 is commercially pure with good mechanical properties and high thermal and electrical conductivities. Its resistance to corrosion in acids and alkalies make it a useful option.

Applications

  • chemical shipping drums
  • synthetic fiber production
  • aerospace and missile components
  •  food handling applications

 

Specifications

ASTM/ASME……….. UNS N02200

DIN…………………. .  2.4066

Resistance

  • Alloy 200 has outstanding resistance to caustic alkalies up to and including the molten state
  • Although most useful in reducing environments, it can be used also
    under oxidizing conditions that cause the development of a passive oxide film

Fabrication

  • When machining, this material tends to flow under pressure of the tool cutting edge and form long stringy chips.  To avoid a built-up edge, tools should be ground with very high positive rake angles; 40° to 45° rake angles have been used in some instances. High-speed-steel or cast-alloy tools should be used.

Weldability

  • Nickel 200 can be joined by conventional welding, brazing
    and soldering processes.

Chemical Properties:

Ni+Co Cu C Mn Si S Fe
Alloy
200
99.0 min

.25 max

.15 max

.35
max

.35
max
.01 max

.40 max

Mechanical Properties:

Grade Tensile Strength (ksi) min Yield Strength 0.2% offset (ksi) min Elongation (% in 50mm) min
Alloy
200

75

50

15

Physical Properties:

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°F Specific Heat BTU/lbm -°F
at 68 °F at 68 – 212°F at 68 – 212°F
(20 – 100°C)
at 32 – 212°F
0.321 - 487 0.109

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