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B686 A356.0 Class 12

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America ASTM B686A356.0Class12 高强度铝合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B686A356.0Class12 / B686 A356.0 Class 12
Category Grade Standard Region/Area Standard Content
Metals B686 A356.0 Class 12 ASTM B686/B686M America 高强度铝合金铸件

Chemical composition(mass fraction)(wt.%) of the B686 A356.0 Class 12

Element Min Max Similar
Zn - 0.1000 -
Ti - 0.2000 -
Si 6.5000 7.5000 -
Others total - 0.1500 -
Others each - 0.0500 -
Mn - 0.1000 -
Mg 0.2500 0.4500 -
Fe - 0.2000 -
Cu - 0.2000 -
Al - - -

Mechanical Properties of steel grade B686 A356.0 Class 12

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)
921 (≥) 729 (≥) 11 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade B686 A356.0 Class 12

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
33 - -     0.43 -  
566 821 - 11.3 111   -  
827 - 44 34.2   324 421

Heat Treatment of steel grade B686 A356.0 Class 12

Heat treated : 1241°C - 1763°C

Technological Curves of steel grade B686 A356.0 Class 12

Cross Reference Table (Equivalent Grade) of B686 A356.0 Class 12

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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