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A 7020

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Korea KS A7020 Aluminium and aluminium alloy bars and wires and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A7020 / A 7020
Category Grade Standard Region/Area Standard Content
Metals A 7020 KS D 6763 Korea Aluminium and aluminium alloy bars and wires

Chemical composition(mass fraction)(wt.%) of the A 7020

Element Min Max Similar
Ti+Zr 0.0800 0.2500 -
Mn 0.0500 0.5000 -
Si - 0.3500 -
Cr 0.1000 0.3500 -
Cu - 0.2000 -
Zr 0.0800 0.2000 -
Al - - -
Zn 4.0000 5.0000 -
Mg 1.0000 1.4000 -
Fe - 0.4000 -
Others each - 0.0500 -
Others Total - 0.1500 -

Mechanical Properties of steel grade A 7020

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)
218 (≥) 982 (≥) 31 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A 7020

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
44 - -     0.44 -  
778 814 - 14.3 321   -  
551 - 32 42.2   333 132

Heat Treatment of steel grade A 7020

Heat treated : 1425°C - 1864°C

Technological Curves of steel grade A 7020

Cross Reference Table (Equivalent Grade) of A 7020

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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