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Kunyumba > Zogulitsa > Chipinda chachitsulo > Hight Strength Low Alloy Steel

Steel 420 mbale yachitsulo

StE420 kapangidwe zitsulo mbale chimagwiritsidwa ntchito Magalimoto, zomangamanga, milatho, siteshoni magetsi, nyumba sitima, kukatentha, ndi zina zotero.
Chemical Composition
Gulu C
Si Mn P
S
N
Al
Cr
Ku
Mo
Ndi
Nb
Ti
V
Nb+Ti+V
Chithunzi cha TE420 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
Mechanical Property
Maphunziro Mphamvu ya Tensile Rmza
makulidwe azinthu s, mu mm
N/mm²
UpperYield StressReH²) pa makulidwe azinthu s,mu mm
N/mm² min.
Elongation pambuyo fracture3)
(Lo=5do)% mphindi.
Mandrel awiri a 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 Chodutsa 6)
Chithunzi cha TE420 530~680 520~670 510~660 500~650 490~640 420 410 400 390 385 375 365 355 345 19
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