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you are here:BEBON STEEL > Mechanical property of base metalMechanical property of base metal

3.1 Hot-dip zinc-coated base metal


Grade
Yield strengh Mpa Tensile strength Mpa Elongation(L=80mm b=20mm)% no less than
Norminal thickness mm
<=0.7 >0.70
DC51D+Z   -- 270-500 20 24
DC52D+Z 140-300 270-420 24 26
DC53D+Z 140-260 270-380 28 30
S280GD+Z >=280 >=360 16 18
S350GD+Z >=350 >=420 14 16
S550GD+Z >=550 >=560    -- 3

3.2 Hot-dip alu-zinc coated base metal


Grade
Yield strengh Mpa Tensile strength Mpa Elongation(L=80mm b=20mm)% no less than
Norminal thickness mm
<=0.7 >0.70
DC51D+AZ   -- <500 22 24
DC52D+AZ <300 <420 24 26
S250GD+AZ >=250 >=320 22
S280GD+AZ >=300 >=340 18
S350GD+AZ >=350 >=420 14
S550GD+AZ >=550 >=570    --

3.3 Electro-galvanized base metal


Grade
Yield strengh Mpa Tensile strength Mpa Elongation(L=80mm b=20mm)% no less than
Norminal thickness mm
<0.6 0.6-<1.0 1.0-<1.6 >=1.6
SECC   -- >=270 22 36 37 38
SECD   -- >=270 24 38 39 40
SECE <=210 >=270 38 40 41 42
BLCE 140-270 >=270 36 38 40 42
BLDE 120-240 >=270 38 40 42 44
BUSDE 120-210 >=260 40 42 44 46
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