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Valve and shaft Surfaceing Welding Electrodes D507
Waxa loo isticmaalaa in lagu xidho ulaha iyo alwaaxyada birta kaarboon ama birta daawaha kuwaas oo heerkulkiisu ka hooseeyo 450 °C.
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Birta manganese sare ee korantada dusha sare ee D256 AWS: EFeMn-A
Si loogu xidho dhammaan noocyada kala duwan ee jajabinta, biraha manganese-ka sare leh, cagaf-cagafyada iyo qaybaha kale ee u nugul saamaynta oo u dhintaan waxyeello.
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Usha alxanka dusha sare ee D608
D608 waa nooc ka mid ah CrMo kabka birta dusha ka saaraysa koronto leh dahaarka nooca graphite.AC/DCDCRP (Direct CurrentReversed Polarity) ayaa aad ugu haboon.Sababtoo ah birta dusha sare waa Cr iyo Mo carbide oo leh qaab-dhismeed bir ah oo shub ah, lakabka dusha sare ayaa leh qallafsanaan sare, adkaysi sare iyo carro aad u wanaagsan