GB-L3

Chemical composition

Si(%) Al(%) Mn(%) Fe(%) Cu(%)
Si(%)(%) ≦0.3 Al(%)(%) ≧99.5 ≦0.3 Fe(%)(%) ≦0.3 Cu(%)(%) ≦0.05 ≦0.3 ≦0.3 ≦0.3 ≦0.3 ≦0.3

Mechanical Properties


YieldRp0.2 (MPa) TensileRm (MPa) ImpactKV/Ku (J) ElongationA (%) Reduction in cross section on fractureZ (%) As-Heat-Treated Condition Brinell hardness (HBW)
122 (≥) 879 (≥) 23 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Applications

  • Aluminum and Aluminum Alloy Welded Pipes and Tubes

Country Code

  • GB

Standard

  • 10571


Steel Type
L3

Heat treatment
Heat Treatment of steel grade L2
Heat treated : 1937°C - 1989°C

Relate Steel Type

Steel Type Standard Country Code Si(%) Al(%) Mn(%) Ti(%) Fe(%) Zn(%) Cu(%)
L3 10571 GB ≦0.3 ≧99.5 ≦0.05 ≦0.3 ≦0.05
A1050TW H4090 JIS ≦0.25 ≧99.5 ≦0.05 ≦0.03 ≦0.4 ≦0.05 ≦0.05

　

　

　

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