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Alloy 36 
1.3912 – K93600

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Material description

Material 1.3912 (Alloy 36) is an iron-nickel alloy with a nickel content of around 36%. This alloy offers low thermal expansion as well as good strength and toughness at low temperatures. 1.3912 also has a low coefficient of thermal expansion at temperatures of up to 250°C.  

An overview of the properties of 1.3912:  

  • Good temperature properties  
  • Good strength/toughness at low temperatures 

Applications

  • Aerospace engineering 
  • Ultrasonics  
  • Motorsport 
  • The sports and leisure industry (e.g. marine gear, bike construction, mountaineering equipment etc.) 
  • Medical applications 

Material data

Material no.: 1.3912
Name: Alloy 36
UNS no.: K93600
ASTM: —
VdTÜV: —
Other: SEW 385 / DIN 17745
Material type: Expansion alloy
Data sheet

Chemical composition in %

SEW 385
C< 0.10
Si< 0.50
Mn< 0.50
Ni35.0 – 37.0

Mechanical properties

Annealed
Rm (N/mm2)
440 – 640
A (%)≥ 30

AVERAGE LINEAR COEFFICIENT OF THERMAL EXPANSION

α10-6/K
20°C – 100°C1.5 +/- 0.3
20°C – 150°C1.9 +/- 0.3
20°C – 200°C2.6 +/- 0.3
20°C – 300°C5.3 +/- 0.3
20°C – 400°C8.1 +/- 0.3
20°C – 500°C9.9 +/- 0.3
20°C – 600°C11.1 +/- 0.3

The specified values are non-binding guide values.

Data sheet

13912Download