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7149

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America AMS 7149 Aluminum Alloy Forgings 7.7Zn – 2.5Mg – 1.5Cu – 0.16Cr (7149-T73) Solution and Precipitation Heat Treated and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 7149 / 7149
Category Grade Standard Region/Area Standard Content
Metals 7149 SAE AMS 4320B America Aluminum Alloy Forgings 7.7Zn – 2.5Mg – 1.5Cu – 0.16Cr (7149-T73) Solution and Precipitation Heat Treated

Chemical composition(mass fraction)(wt.%) of the 7149

Element Min Max Similar
Zn 7.2000 8.2000 -
Ti - 0.1000 -
Si - 0.1500 -
Others Total - 0.1500 -
Others each - 0.0500 -
Mn - 0.2000 -
Mg 2.0000 2.9000 -
Fe - 0.2000 -
Cu 1.2000 1.9000 -
Cr 0.1000 0.2200 -
Al - - -
Zn 7.2000 8.2000 -
Total Others - 0.1500 -
Ti - 0.1000 -
Si - 0.1500 -
Others total - 0.0500 -
Mn - 0.2000 -
Mg 2.0000 2.9000 -
Fe - 0.2000 -
Cu 1.2000 1.9000 -
Cr 0.1000 0.2200 -
Al - - -

Mechanical Properties of steel grade 7149

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)
868 (≥) 492 (≥) 11 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 7149

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
13 - -     0.22 -  
713 278 - 22.3 143   -  
329 - 24 31.2   342 314

Heat Treatment of steel grade 7149

Heat treated : 1936°C - 1139°C

Technological Curves of steel grade 7149

Cross Reference Table (Equivalent Grade) of 7149

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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