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AK18

Favorite Datasheet

Russia GOST AK18 Aluminium piston alloys. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AK18 / AK18
Category Grade Standard Region/Area Standard Content
Metals AK18 GOST 30620 Russia Aluminium piston alloys. Specifications

Chemical composition(mass fraction)(wt.%) of the AK18

Element Min Max Similar

Mechanical Properties of steel grade AK18

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)
783 (≥) 329 (≥) 24 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade AK18

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
24 - -     0.33 -  
692 269 - 41.3 212   -  
247 - 12 31.2   314 333

Heat Treatment of steel grade AK18

Heat treated : 1385°C - 1918°C

Technological Curves of steel grade AK18

Cross Reference Table (Equivalent Grade) of AK18

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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