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B 403 EQ21A


B 403 EQ21A material is SAE B 403 (2012) Magnesium-Alloy Investment Castings Magnesium-Alloy Investment Castings.

Chemical composition of B 403 EQ21A, B 403 EQ21A mechanical properties, B 403 EQ21A datasheet, B 403 EQ21A equivalent grade, Heat treatment and temperature process of B 403 EQ21A.


B 403 EQ21A property sheet

B 403 EQ21A Spec.

SAE B 403 (2012)
Magnesium-Alloy Investment Castings

Chemical Composition of B 403 EQ21A

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

Mechanical Properties of B 403 EQ21A

Rp0.2 (MPa) 249 (≥)
Rm (MPa) 276 (≥)
AKV (J) 23
A (%) 34
Z (%) 11
Hardness HBW 444

B 403 EQ21A shape and dimensions

B 403 EQ21A Round bar: 1mm-800mm
B 403 EQ21A Square bar: 10mm * 10mm-600mm *600mm
B 403 EQ21A Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
B 403 EQ21A Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
B 403 EQ21A Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
B 403 EQ21A Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes