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AK7M

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Russia GOST AK7M Aluminium casting alloys. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AK7M / AK7M
Category Grade Standard Region/Area Standard Content
Metals AK7M GOST 1583 Russia Aluminium casting alloys. Specifications

Chemical composition(mass fraction)(wt.%) of the AK7M

Element Min Max Similar
Zn - 0.5000 -
Total Others - 3.8000 -
Ti - 0.2000 -
Si 10.0000 13.0000 -
Pb+Sn - 0.3000 -
Ni - 0.5000 -
Mn - 0.5000 -
Mg - 0.3000 -
Fe - 0.7000 -
Cu - 1.2000 -
Al - - -

Mechanical Properties of steel grade AK7M

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)
673 (≥) 471 (≥) 14 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade AK7M

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 - -     0.32 -  
831 117 - 42.3 332   -  
164 - 14 43.2   142 312

Heat Treatment of steel grade AK7M

Heat treated : 1433°C - 1755°C

Technological Curves of steel grade AK7M

Cross Reference Table (Equivalent Grade) of AK7M

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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