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YuNDK

Favorite Datasheet

Russia GOST YuNDK Casting hard magnetic materials. Marks and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: YuNDK / YuNDK
Category Grade Standard Region/Area Standard Content
Metals YuNDK GOST 17809 Russia Casting hard magnetic materials. Marks

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

Element Min Max Similar
Ti 0.1500 0.5000 -
Si - 1.5000 -
Ni 12.5000 15.5000 -
Fe - - -
Cu 2.0000 3.5000 -
Co 23.5000 25.0000 -
Al 7.5000 8.7000 -

Mechanical Properties of steel grade YuNDK

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)
679 (≥) 187 (≥) 22 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade YuNDK

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
34 - -     0.43 -  
385 573 - 34.3 311   -  
465 - 11 23.2   212 213

Heat Treatment of steel grade YuNDK

Heat treated : 1775°C - 1948°C

Technological Curves of steel grade YuNDK

Cross Reference Table (Equivalent Grade) of YuNDK

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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