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StE420 lamina ferro

StE420 structura laminae ferreae late in automobile, constructione, ponte, statione electricitatis, navi aedificationis, boiler, etc.
Compositio chemica
Gradus C
Si Mn P
S
N
Al
Cr
Cu
Mo
Ni
Nb
Ti
V
Nb+Ti+V
StE420 0.20 0.10~0.60 1.00~1.70 0.035 0.030 0.020 0.020 0.30 0.20 0.10 1.00 0.05 --- 0.20 0.22
Mechanica Property
Grades R . fortitudo distrahentesmfor*
crassitudines productum s, in mm *
N/mm²
UpperYield StressReH*) pro productum crassitudines s, in mm
N/mm² min.
Prolongatio post fracturam3)
(Lo*=5do*% min.
Mandrel diametri ad flexuram test 4).
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 Transversus 6)
StE420 530~680 520~670 510~660 500~650 490~640 420 410 400 390 385 375 365 355 345 19
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