Z308是純鎳焊芯、強qiang還hai原yuan性xing石shi墨mo型xing藥yao皮pi的de鑄zhu鐵tie焊han條tiao，施shi焊han時shi，焊han件jian可ke不bu預yu熱re，具ju有you良liang好hao的de抗kang裂lie性xing能neng和he加jia工gong性xing能neng。鎳nie價jia格ge昂ang貴gui，應ying該gai在zai其qi它ta焊han條tiao不bu能neng滿man足zu時shi才cai可ke選xuan用yong。交jiao直zhi流liu兩liang用yong。用yong途tu: 用於鑄鐵薄件及加工麵的補焊，如發動機座、機床導軌、齒輪座等重要灰口鑄鐵件