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Kovar

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Kovar Kovar
#KOVAR

Description

USA UNS SAE AMS-I-23011B (2006), Kovar Specialsteel Iron-Nickel Alloys for Sealing to Glasses and Ceramic and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Kovar
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Kovar Precipitation-Hardening UNS USA Iron-Nickel Alloys for Sealing to Glasses and Ceramic

Chemical composition(mass fraction)(wt.%) of the Kovar

C Si Mn Ni Cr Al Cu Ti Fe Mo Co W Mg Zr
≤0.04 ≤0.20 ≤0.50 ≤29.00 ≤0.20 ≤0.10 ≤0.20 ≤0.10 ≤53.00 ≤0.20 ≤17.00 ≤ ≥ ≤0.10 ≤0.10

Mechanical Properties of steel grade Kovar

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
265 (≥) 397 (≥) 13 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade Kovar

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
14 - -     0.33 -  
867 231 - 44.3 133   -  
593 - 13 44.2   244 223

Heat Treatment of steel grade Kovar

Heat treated : 1174°C - 1757°C

Technological Curves of steel grade Kovar

Cross Reference Table (Equivalent Grade) of Kovar

Grade Standard Country Application
KOVAR

Relevant standard of Kovar

SAE AMS-I-23011B (2006) Iron-Nickel Alloys for Sealing to Glasses and Ceramic SAE-AMS-I-23011B-(2006).pdf
Kovar Kovar
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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