Sanda / Bar Round Copper
Takaitaccen Bayani:
Sanda na Copper wani nau'i ne na sandar sarrafa ƙarfe mara ƙarfe tare da kyakkyawan aikin sarrafawa da haɓakar wutar lantarki.An raba shi zuwa sandunan tagulla (garin jan ƙarfe-zinc, mai rahusa) da sandunan jan ƙarfe (mafi girman abun ciki na jan karfe).
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![2](http://www.haihuisteel.com/uploads/21.png)
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![3](http://www.haihuisteel.com/uploads/31.png)
![6](http://www.haihuisteel.com/uploads/61.png)