Chemical composition

Si(%) Al(%) Mn(%) Fe(%) Ni(%) Zn(%) Cu(%) Mg(%)
Si(%)(%) ≦0.1 Al(%)(%) 2.5-3.5 ≦0.1 Fe(%)(%) ≦0.01 Ni(%)(%) ≦0.03 ≦0.1 ≦0.1 ≦0.1 ≦0.1 ≦0.1

Mechanical Properties


YieldRp0.2 (MPa) TensileRm (MPa) ImpactKV/Ku (J) ElongationA (%) Reduction in cross section on fractureZ (%) As-Heat-Treated Condition Brinell hardness (HBW)
457 (≥) 428 (≥) 32 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Applications

  • Magnesium Alloy Bars

Country Code

  • other : ≦0.3

Standard

  • JIS


Steel Type
H4203

Heat treatment
Heat Treatment of steel grade SKS51
Heat treated : 1787°C - 1726°C

Relate Steel Type

Steel Type Standard Country Code Si(%) Al(%) Mn(%) Fe(%) Ni(%) Zn(%) Cu(%)
MB2 5153 GB 3.0-4.0 0.15-0.50 ≦0.007 0.2-0.8
MB1 H4203 JIS ≦0.1 2.5-3.5 ≧0.15 ≦0.01 ≦0.03 0.5-1.5 ≦0.1
AZ31C B107 ASTM ≦0.1 2.4-3.6 0.15-1.00 ≦0.005 ≦0.03 0.5-1.5 ≦0.1
MgAl3Zn 1729/9715 DIN ≦0.1 2.5-3.5 0.05-0.40 ≦0.03 ≦0.005 0.5-1.5 ≦0.1