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ESTE255 Tsheb qauv steel phaj

ESTE255 steel phaj yog tsuas yog siv nyob rau hauv tsheb qauv kev lag luam, pwm manufacturing, mechanical khoom, hardware tools, hluav taws xob thiab hluav taws xob, shipbuilding thiab lwm yam lag luam.
Tshuaj muaj pes tsawg leeg
Qib C
Si Mn P
S
N
Al
Cr
Cu
Mo
Ni
Nb
Ti
V
Nb+Ti+V
TIAB SA 255 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
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)
TIAB SA 255 360~480 350~470 340~460 330~450 320~440 255 245 235 225 215 205 195 25
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