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<Z308純鎳鑄鐵焊條
符合 GB EZNi-1
相當 AWS ENi-C1
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Z308是純鎳焊芯、強還原性石墨型藥皮的鑄鐵焊條,施焊時,焊件可不預熱,具有良好的抗裂性能和加工性能
說明:鎳價格昂貴,應該在其它焊條不能滿足時才可選用。交直流兩用。
用途:用于鑄鐵薄件及加工面的補焊,如發動機座、機床導軌、齒輪座等重要灰口鑄鐵件。
熔敷金屬化學成分
化學成分
C
Mn
Si
S
Ni
Fe
其它元素總量
保證值
≤2.00
≤1.00
≤2.50
≤0.030
≥90
≤8
≤1.00
參考電流?
焊條直徑
φ2.5
φ3.2
φ4.0
φ5.0
焊接電流
50~100
70~120
110~180
160~190
1.焊前焊條須經150℃左右烘焙1h。
2.可以通過錘擊焊縫**焊補區應力,避免裂紋。
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Cast iron
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鑄
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鐵
Z308
EZNi
Pure nickel, excellent general properties. Used to weld thin cast iron part and repair welding machined surface, such as guided way of machine tool.
純鎳,綜合性能好。鑄鐵薄件及加工面補焊用,如機床導衛
ENi-Cl
Z 408
EZNiFe
Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.
鎳鐵,強度高、塑性好。重要灰鑄鐵及球鐵焊補用,如汽缸蓋
ENiFe-Cl
Z 508
EZNiCu-1
Copper nickel, good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.
鎳銅,易加工,但抗裂性較差。不受力的灰鑄鐵加工面及砂眼補焊