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2D70

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China GJB 2D70 铝合金预拉伸板材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2D70 / 2D70
Category Grade Standard Region/Area Standard Content
Metals 2D70 GJB 1741A China 铝合金预拉伸板材规范

Chemical composition(mass fraction)(wt.%) of the 2D70

Element Min Max Similar
Si 0.1000 0.2500 -
Fe 0.9000 1.4000 -
Cu 2.0000 2.6000 -
Mn - 0.1000 -
Mg 1.2000 1.8000 -
Cr - 0.1000 -
Ni 0.9000 1.4000 -
Zn - 0.1000 -
Ti 0.0500 0.1000 -
Others total - 0.0500 -
Total Others - 0.1000 -
Al - - -
Si 0.1000 0.2500 -
Fe 0.9000 1.4000 -
Cu 2.0000 2.6000 -
Mn - 0.1000 -
Mg 1.2000 1.8000 -
Cr - 0.1000 -
Ni 0.9000 1.4000 -
Zn - 0.1000 -
Ti 0.0500 0.1000 -
Others total - 0.0500 -
Total Others - 0.1000 -
Al - - -

Mechanical Properties of steel grade 2D70

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)
821 (≥) 361 (≥) 11 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 2D70

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
34 - -     0.23 -  
747 415 - 43.3 313   -  
497 - 11 14.2   434 444

Heat Treatment of steel grade 2D70

Heat treated : 1677°C - 1429°C

Technological Curves of steel grade 2D70

Cross Reference Table (Equivalent Grade) of 2D70

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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