U Bend Tube
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ASTM A179 U Bend Heat Exchangers Tube
Bayan U tanƙwara (sanyi forming), ana iya buƙatar maganin zafi na ɓangaren lanƙwasawa.nitrogen samar da inji (don kare bakin karfe tube surface annealing).Ana sarrafa zafin jiki ta duk yankin da ake kula da zafi ta hanyar ƙayyadaddun pyrometer infrared masu ɗaukuwa.
