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33NK

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Russia GOST 33NK Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 33NK / 33NK
Category Grade Standard Region/Area Standard Content
Metals 33NK GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 33NK

Element Min Max Similar
Si - 0.3000 -
S - 0.0150 -
P - 0.0150 -
Ni 32.5000 33.5000 -
Mn - 0.4000 -
Fe - - -
Co 16.5000 17.5000 -
C - 0.0500 -
Si - 0.3000 -
S - 0.0150 -
P - 0.0150 -
Ni 32.5000 33.5000 -
Mn - 0.4000 -
Fe - - -
Co 16.5000 17.5000 -
C - 0.0500 -
Si - 0.3000 -
S - 0.0150 -
P - 0.0150 -
Ni 32.5000 33.5000 -
Mn - 0.4000 -
Fe - - -
Co 16.5000 17.5000 -
C - 0.0500 -

Mechanical Properties of steel grade 33NK

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)
533 (≥) 525 (≥) 41 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 33NK

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
21 - -     0.13 -  
721 129 - 12.3 124   -  
646 - 14 21.2   331 432

Heat Treatment of steel grade 33NK

Heat treated : 1278°C - 1964°C

Technological Curves of steel grade 33NK

Cross Reference Table (Equivalent Grade) of 33NK

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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