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Icyuma cya StE255

Ibyuma bya StE255 bikoreshwa mubisabwa bidasanzwe ukurikije DIN 17178: 1986-5 kubitereko byicyuma bisudira kandi ukurikije DIN 17179: 1986-5 kubitereko byicyuma bidafite kashe. Imiyoboro yicyuma ikoreshwa cyane cyane mubwubatsi bwubwato, kubaka ibikoresho, kubaka imiyoboro, ndetse no kubaka imashini rusange nibikoresho.
Ibigize imiti
Icyiciro C.
Si Mn P.
S.
N.
Al
Cr
Cu
Mo.
Ni
Nb
Ti
V.
Nb + Ti + V.
StE255 0.18 ≤0.40 0.50 0.035 0.030 0.020 0.020 0.30 0.20 0.08 0.30 0.03 --- --- 0.05
Umutungo wa mashini
Impamyabumenyi Imbaraga zingutu R.mKuri
ubunini bwibicuruzwa s, muri mm
N / mm²
Upper Yield StressReH)) Kubyimbye byibicuruzwa s, muri mm
N / mm² min.
Kurambura nyuma yo kuvunika3)
(L.o= 5do)% min.
Diameter ya Mandrel kugirango igerageze kugoreka 4), 5)
s≤70 70 ≤ s≤85 85 ≤ s≤100 100 < s125 125 < s≤150 s≤16 16 ≤ s≤35 35 < s≤50 50 < s≤60 60 < s≤70 70 ≤ s≤85 85 ≤ s≤100 100 < s125 125 < s≤150 Birebire Guhindura 6)
StE255 360~480 350~470 340~460 330~450 320~440 255 245 235 225 215 205 195 25
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