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EStE255 Automobile structure steel plate

EStE255 steel plate is mainly used in Automobile structure industry, mold manufacturing, mechanical equipment, hardware tools, electrical and electronic, shipbuilding and other industries.
Chemical Composition
Grade C
≤
Si Mn P
≤
S
≤
N
≤
Al
≥
Cr
≤
Cu
≤
Mo
≤
Ni
≤
Nb
≤
Ti
≤
V
≤
Nb+Ti+V
≤
EStE255 0.16 ≤0.40 0.50~1.30 0.025 0.015 0.020 0.020 0.30 0.20 0.08 0.30 0.03 --- --- 0.05
Mechanical Property
Grades Tensile Strength Rm for
product thicknesses s,in mm
N/mm²
UpperYield StressReH²) for product thicknesses s,in mm
N/mm² min.
Elongation after fracture3)
(Lo=5do) % min.
Mandrel diameter for bend test 4), 5)
s≤70 70<s≤85 85<s≤100 100<s≤125 125<s≤150 s≤16 16<s≤35 35<s≤50 50<s≤60 60<s≤70 70<s≤85 85<s≤100 100<s≤125 125<s≤150 Longitudinal Transverse 6)
EStE255 360~480 350~470 340~460 330~450 320~440 255 245 235 225 215 205 195 25
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