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B199 EQ21A

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America ASTM B199EQ21A 镁合金永久型铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B199EQ21A / B199 EQ21A
Category Grade Standard Region/Area Standard Content
Metals B199 EQ21A ASTM B199 America 镁合金永久型铸件

Chemical composition(mass fraction)(wt.%) of the B199 EQ21A

Element Min Max Similar

Mechanical Properties of steel grade B199 EQ21A

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)
956 (≥) 571 (≥) 21 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade B199 EQ21A

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
14 - -     0.14 -  
858 824 - 43.3 221   -  
468 - 32 22.2   224 224

Heat Treatment of steel grade B199 EQ21A

Heat treated : 1385°C - 1688°C

Technological Curves of steel grade B199 EQ21A

Cross Reference Table (Equivalent Grade) of B199 EQ21A

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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