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SM490C pereti maitai

I raro i te paerewa maitai Janpanese Jis g3106, SM490 e toru nga tohu rereke, aush hei SM490A, SM490B me SM490C, ko te rereketanga nui ko te waro kei roto mo enei karaehe rino. Ko te whakataurite ki te SM490B, me mahi te pereti maitai SM490C me mahi i raro i te 0 centigrade me te iti rawa o te uara o te kaha o te paanga ki te 47J, SM490B me te 27J mo te pereti whakamatautau tauira.Ki te hiahia nga kaiwhakamahi mutunga ki te mahi maimoatanga wera mo te pereti maitai hanganga SM490C i raro i te Normalized,Quenched and Tempered,Tempered,me tuku tenei kupu i roto i te PO ina whakahaua .
Nga taonga miihini mo te SM490C Hanganga maitai
Mātotoru (mm)
SM490C ≤ 16 > 16 ≤ 40 > 40 ≤ 75 > 75 ≤ 100 > 100 ≤ 160 > 160
Te kaha tuku (≥Mpa) 325 315 295 295 285 275
≤ 100 > 100
Te kaha o te kaha (Mpa) 490-610 400-610
Hanganga matū mo SM490C Hanganga rino (Tatari Puta Max%)
Ko te hanganga matū matua o SM490C
Mātotoru(mm) C Si Mn P S
T≤50 0.18 0.55 1.60 0.035 0.035
50 0.18
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