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Material Guide

KOVAR

Applications
Electronic Component, Optical Component
Material Lineup for KOVAR
KV-2 , KV-6
Product Size Chart for KOVAR (Fe-Ni-Co alloy) Tube
KOVAR(KV-2,KV-6)
  wall thickness
0.025 0.030 0.050 0.100 0.150 0.200 0.250 0.300 0.350 0.400 0.450 0.500 0.550 0.600
OD 0.1 - -                      
0.5 -                
1.0 -      
1.5 - -
2.5 - - -
*It is possible to correspond about the sizes other than the range of the above-mentioned.
Chemical Component (%)
  Ni Co Fe
KV-2 KOVAR 29 16 Remainder
KV-4 THERLO 32 17 Remainder
KV-6 ASTM F15 KOVAR 29 17 Remainder
KOVAR 29 17 Remainder
Mechanical Property
  Tensile Strength
(N/mm2)
Elongation
(%)
0.2%Proof Stress
(N/mm2)
Hardness
(HRB)
Erichsen Value
Thickness (mm)  
KOVAR O 490min 618max 30min 45max 343min 470max 70min 85max 0.8min 1.5max 9.0min
0.5min 8.5min
0.2min 8.0min



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