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MB8

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China HB MB8 镁合金锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MB8 / MB8
Category Grade Standard Region/Area Standard Content
Metals MB8 HB 6690 China 镁合金锻件

Chemical composition(mass fraction)(wt.%) of the MB8

Element Min Max Similar
Mg - - -
Others total - 0.3000 -
Be - 0.0100 -
Ni - 0.0070 -
Cu - 0.0500 -
Si - 0.1000 -
Fe - 0.0500 -
Ce 0.1500 0.3500 -
Mn 1.3000 2.2000 -
Zn - 0.3000 -
Al - 0.2000 -

Mechanical Properties of steel grade MB8

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)
557 (≥) 195 (≥) 21 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade MB8

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
23 - -     0.43 -  
636 518 - 43.3 121   -  
774 - 33 44.2   421 342

Heat Treatment of steel grade MB8

Heat treated : 1837°C - 1688°C

Technological Curves of steel grade MB8

Cross Reference Table (Equivalent Grade) of MB8

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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