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Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel
EstE420 ígwè efere
EstE420 ígwè efere
EstE420 ígwè efere
EstE420 ígwè efere

EstE420 ígwè efere

EstE420 Ọdịdị ígwè efere adabara na-eji ụgbọ ala, metal, akpa, machining akụkụ, wdg.
Ngwakọta kemịkalụ
Ọkwa C
Si Mn P
S
N
Al
Cr
Ku
Mo
Ni
Nb
Ti
V
Nb+Ti+V
ESTE420 0.20 0.10~0.60 1.00~1.70 0.025 0.015 0.020 0.020 0.30 0.20 0.10 1.00 0.05 --- 0.20 0.22
Ngwongwo igwe
akara ule Ike Tensile Rmmaka
ọkpụrụkpụ ngwaahịa s, na mm
N/mm²
UpperYield StressReH²) maka ọkpụrụkpụ ngwaahịa s, na mm
N/mm² min.
Elongation mgbe mgbawa3)
(Lo=5do) % nkeji.
Dayameta Mandrel maka ịgbagọ ule 4), 5)
s≤70 70s≤85 85s≤100 100s≤125 125s≤150 s≤16 16s≤35 35s≤50 50s≤60 60s≤70 70s≤85 85s≤100 100s≤125 125s≤150 Ogologo ogologo Mgbanwe nke 6)
ESTE420 530~680 520~670 510~660 500~650 490~640 420 410 400 390 385 375 365 355 345 19
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