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2A12

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China GJB 2A12 铝合金预拉伸板材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2A12 / 2A12
Category Grade Standard Region/Area Standard Content
Metals 2A12 GJB 1741A China 铝合金预拉伸板材规范

Chemical composition(mass fraction)(wt.%) of the 2A12

Element Min Max Similar
Si - 0.5000 -
Fe - 0.5000 -
Cu 3.8000 4.9000 -
Mn 0.3000 0.9000 -
Mg 1.2000 1.8000 -
Ni - 0.1000 -
Zn - 0.3000 -
Fe+Ni - 0.5000 -
Ti - 0.1500 -
Others total - 0.0500 -
Total Others - 0.1000 -
Al - - -
Si - 0.5000 -
Fe - 0.5000 -
Cu 3.8000 4.9000 -
Mn 0.3000 0.9000 -
Mg 1.2000 1.8000 -
Ni - 0.1000 -
Zn - 0.3000 -
Fe+Ni - 0.5000 -
Ti - 0.1500 -
Others total - 0.0500 -
Total Others - 0.1000 -
Al - - -

Mechanical Properties of steel grade 2A12

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)
348 (≥) 217 (≥) 11 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade 2A12

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
41 - -     0.33 -  
463 513 - 24.3 411   -  
854 - 14 24.2   121 432

Heat Treatment of steel grade 2A12

Heat treated : 1161°C - 1364°C

Technological Curves of steel grade 2A12

Cross Reference Table (Equivalent Grade) of 2A12

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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Jiangyou Longhai Special Steel Co.,Ltd.

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