What’s A653 HSLAS steel ?

ASK:

What's A653 HSLAS steel ?

ANSWER:A653 HSLAS is a steel grade in American standard ASTM A653/A653M, A653 HSLAS is high strength low alloy steel quality steel material, which has six grades: Grade 40(275), Grade 50(340), grade 55(380), grade 60(410), grade 70(480), grade 80(550), amount of the above grades, Grade 55(380) has class 1,2 level. ASTM A653/A653M specification covers steel sheet, zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) by the hot-dip process in coils and cut lengths.

A653 HSLAS material steel have coil, strip, sheet condition, thickness is from 0.2mm-3mm.

A653 HSLAS steel Coil/strip/sheet surface quality:
A (As coated surface), B (Improved surface),C (Best quality surface)

A653 HSLAS steel Coil/strip/sheet surface treatment:
Chemical treated or not chemical treated, Oiled or not oiled, Phosphatized or not Phosphatized.

A653 HSLAS steel Coil/strip/sheet coating mass:
Pure Zinc coating: G01(Z001), G30(Z90), G40(Z120), G60(Z180), G90(Z275), G100(Z305), G115(Z350), G140(Z450), G165(Z500), G185(Z550), G210(Z600), G235(Z700), G300(Z900), G360(Z1100)
Alloy Zinc+Fe: A01(ZF001), A25(ZF75), A40(ZF120), A60(ZF180)

A653 HSLAS steel yield strength :
Grade 40(275) should be not less than 275MPa
Grade 50(340) should be not less than 340MPa
Grade 55(380) should be not less than 380MPa
Grade 60(410) should be not less than 410MPa
Grade 70(480) should be not less than 480MPa
Grade 80(550) should be not less than 550MPa
A653 HSLAS steel tensile strength :
Grade 40(275) should be not less than 340MPa
Grade 50(340) should be not less than 410MPa
Grade 55(380) class 1 should be not less than 480MPa
Grade 55(380) class 2 should be not less than 450MPa
Grade 60(410) should be not less than 480MPa
Grade 70(480) should be not less than 550MPa
Grade 80(550) should be not less than 620MPa
Elongation in 50mm
Grade 40(275) should be not less than 22%
Grade 50(340) should be not less than 20%
Grade 55(380) class 1 should be not less than 16%
Grade 55(380) class 2 should be not less than 18%
Grade 60(410) should be not less than 16%
Grade 70(480) should be not less than 12%
Grade 80(550) should be not less than 10%