Alloy 200
2.4066 – N02200


Material description

Material 2.4066 is an unalloyed, technically pure nickel. The material has a high corrosion resistance and excellent resistance to alkaline media. In addition, 2.4066 (Alloy 200) has good mechanical properties over a wide temperature range.  

This material also offers good resistance in oxidising and reducing conditions as well as high ductility. Good thermal conductivity and excellent resistance to a range of corrosive media, acids and natural salt solutions finish off the positive material properties of 2.4066. 

An overview of the properties of 2.4066:  

  • High corrosion resistance  
  • Good mechanical properties (over a wide temperature range)  
  • Resistance to alkaline media, corrosive media, acids and natural salt solutions, among others 
  • Resistance to oxidising and reducing conditions  
  • High ductility  
  • Good thermal conductivity   


  • Chemical and petrochemical industry  
  • Food industry  
  • Transport systems for chemical agents

Material data

Material no.: 2.4066
Name: Alloy 200
UNS no.: N02200
ASTM: B160 / B564
Other: DIN 17740/17752
Material type: Corrosion-resistant alloy

Chemical composition in %

ASTM B160/564DIN 17740
Ni, min.99.0Ni + Co, min. 99.2
Cu, max.0.250.25
Fe, max.0.400.4
Mn, max.0.350.3
C, max.0.150.1
Si, max.0.350.2
S, max.0.010.005
Mg, max.0.15
Ti, max.0.1

Mechanical properties

Hot-workedBar | Forging
ASTM B160 | ASTM B564
Rm (MPa)≥ 415
Rp 0.2 (MPa)≥ 105
Rp 1.0 (MPa)
A (%)≥ 35

Mechanical properties

Soft-annealedBar | Forging
ASTM B160 | ASTM B564
D ≤ 55 mm
DIN 17752
Rm (MPa)≥ 380≥ 370
Rp 0.2 (MPa)≥ 105≥ 100
Rp 1.0 (MPa)≥ 125
A (%)≥ 40≥ 40
Hardness (HBW 2.5/62.5)Max. 130

The specified values are non-binding guide values.

Data sheet