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B 403 EQ21A

Favorite Datasheet
B 403 AZ92A B 403 EZ33A
#B-4

Description

USA SAE B 403 (2012), B 403 EQ21A Specialsteel Magnesium-Alloy Investment Castings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 403 EQ21A
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 403 EQ21A Precipitation-Hardening SAE USA Magnesium-Alloy Investment Castings

Chemical composition(mass fraction)(wt.%) of the B 403 EQ21A

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
≤0.01 ≤0.05 ≤1.50 ≤0.04 ≤0.01 ≤remaining 0.50 -1.50 0.10 -0.50 ≤0.50 ≤ ≥ 1.00 -6.00 26.00 -30.00 ≤2.50

Mechanical Properties of steel grade B 403 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)
562 (≥) 149 (≥) 32 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade B 403 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
12 - -     0.12 -  
675 723 - 31.3 222   -  
758 - 34 32.2   133 131

Heat Treatment of steel grade B 403 EQ21A

Heat treated : 1238°C - 1621°C

Technological Curves of steel grade B 403 EQ21A

Cross Reference Table (Equivalent Grade) of B 403 EQ21A

Grade Standard Country Application
B-4
ASTM B-4
ASTM B-4
ASTM B-4

Relevant standard of B 403 EQ21A

B 403 (2012) Magnesium-Alloy Investment Castings B-403-(2012).pdf
B 403 AZ92A B 403 EZ33A
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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