5083H321 or H116

Application: Navigation Standard: Q/EL202-1999

1, Chemical composition: (%)

Si: 0.4   Fe: 0.4   Cu: 0.1   Mn: 0.4-1.0  Mg: 4.0-4.9

Cr: 0.05-0.25   Zn: 0.25   Ti: 0.15   Other: each 0.05, total 0.15

2, Physical capabilities: 

Tensile strength (σb) :  305~385MPa    220-290Mpa(H112 or H111)

Yield strength (σ0.2 ): 215~295MPa      205-275Mpa (H112 or H111)

Elongation (δ):  ≥12%

3, Quality control:

  Cracking and lamination is not allowed on the surface.

  Ultrasonic flawing detecting is available with extra charge.