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STE 255 steel phaj

Steel StE255 yog siv rau cov kev cai tshwj xeeb raws li DIN 17178: 1986-5 rau welded steel hlab thiab raws li DIN 17179: 1986-5 rau seamless steel hlab. Cov raj hlau no yog siv rau saum toj kawg nkaus hauv kev tsim cov hlab ntsha siab, kev tsim khoom, kev tsim cov yeeb nkab, nrog rau kev siv tshuab thiab khoom siv.
Tshuaj muaj pes tsawg leeg
Qib C
Si Mn P
S
N
Al
Cr
Cu
Mo
Ni
Nb
Ti
V
Nb+Ti+V
TSI 255 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
Mechanical Property
Qib Tensile zog Rmrau
khoom thicknesses s, mm
N/mm²
UpperYield StressReH²) rau cov khoom thicknesses s, hauv mm
N/mm² min.
Elongation tom qab tawg3)
(Lo= 5do)% min.
Mandrel txoj kab uas hla rau khoov xeem 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 < 70 70 s <85 85<s≤100 100<s≤125 125<s≤150 Ntev Transverse 6)
TSI 255 360~480 350~470 340~460 330~450 320~440 255 245 235 225 215 205 195 25
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