球(qiu)墨鑄(zhu)(zhu)鐵管(guan)(guan)(guan)配(pei)件承(cheng)插乙字管(guan)(guan)(guan)乙字彎管(guan)(guan)(guan)其實就(jiu)是(shi)與S型彎管(guan)(guan)(guan)差不多,就(jiu)是(shi)直線段的長短而已。柔(rou)性鑄(zhu)(zhu)鐵管(guan)(guan)(guan)件-乙字彎管(guan)(guan)(guan)位移(yi)管(guan)(guan)(guan)?柔(rou)性鑄(zhu)(zhu)鐵管(guan)(guan)(guan)件-乙字彎管(guan)(guan)(guan)位移(yi)管(guan)(guan)(guan)采用優-質(zhi)的低(di)硫、低(di)磷生鐵、配(pei)用錳、硅等多種(zhong)稀有原料,鐵水溶液(ye)經過特殊的鑄(zhu)(zhu)造孕(yun)育處理,盡力阻止大大改善了直管(guan)(guan)(guan)的抗拉強度及抗沖擊性能,高速旋轉的離(li)心澆注工藝,使產品組織更加致密。