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EN-MA40020

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EU EN EN-MA40020 镁及镁合金 - 镁合金来做铸造阳极 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EN-MA40020 / EN-MA40020
Category Grade Standard Region/Area Standard Content
Metals EN-MA40020 EN 12438 EU 镁及镁合金 - 镁合金来做铸造阳极

Chemical composition(mass fraction)(wt.%) of the EN-MA40020

Element Min Max Similar
Zn - 0.0500 -
Si - 0.0500 -
Others each - 0.0500 -
Ni - 0.0020 -
Mn 1.2000 2.5000 -
Mg - - -
Fe - 0.0300 -
Cu - 0.0200 -
Al - 0.0100 -

Mechanical Properties of steel grade EN-MA40020

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)
811 (≥) 699 (≥) 43 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade EN-MA40020

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
21 - -     0.12 -  
818 944 - 12.3 131   -  
567 - 14 13.2   244 322

Heat Treatment of steel grade EN-MA40020

Heat treated : 1416°C - 1626°C

Technological Curves of steel grade EN-MA40020

Cross Reference Table (Equivalent Grade) of EN-MA40020

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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