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Precedent 71A

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America AA Precedent71A Aluminum Alloys in the Form of Sand Castings and Ingot and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Precedent71A / Precedent 71A
Category Grade Standard Region/Area Standard Content
Metals Precedent 71A -- America Aluminum Alloys in the Form of Sand Castings and Ingot

Chemical composition(mass fraction)(wt.%) of the Precedent 71A

Element Min Max Similar
Total each - 0.0500 -
Mn - 0.1000 -
Si 0.1000 0.1500 -
Cr 0.0600 0.2000 -
Cu - 0.1000 -
Ti 0.1000 0.2000 -
Al - - -
Zn 6.5000 7.5000 -
Mg 0.8000 1.0000 -
Fe 0.1000 0.1500 -
Total Others - 0.1500 -

Mechanical Properties of steel grade Precedent 71A

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)
436 (≥) 386 (≥) 23 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade Precedent 71A

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
42 - -     0.33 -  
116 443 - 44.3 214   -  
169 - 12 23.2   132 422

Heat Treatment of steel grade Precedent 71A

Heat treated : 1399°C - 1278°C

Technological Curves of steel grade Precedent 71A

Cross Reference Table (Equivalent Grade) of Precedent 71A

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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