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AC7A

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Korea KS AC7A 铝合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AC7A / AC7A
Category Grade Standard Region/Area Standard Content
Metals AC7A KS D 6008 Korea 铝合金铸件

Chemical composition(mass fraction)(wt.%) of the AC7A

Element Min Max Similar
Zn - 0.1500 -
Ti - 0.2000 -
Sn - 0.0500 -
Si 11.0000 13.0000 -
Pb - 0.0500 -
Ni 0.8000 1.5000 -
Mn - 0.1500 -
Mg 0.7000 1.3000 -
Fe - 0.8000 -
Cu 0.8000 1.3000 -
Cr - 0.1000 -
Al - - -

Mechanical Properties of steel grade AC7A

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)
751 (≥) 887 (≥) 24 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade AC7A

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
32 - -     0.33 -  
441 738 - 44.3 432   -  
312 - 12 14.2   213 214

Heat Treatment of steel grade AC7A

Heat treated : 1748°C - 1855°C

Technological Curves of steel grade AC7A

Cross Reference Table (Equivalent Grade) of AC7A

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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