Types: nickel copper electrode
Coating properties: acid electrode diameter: 2.5-5.0 (mm) length: 300/350/400 (mm)
The welding current: 120 (A) 120 (A): the amplitude of the current operating temperature: 300 (c)
Scope of application: welding and welding producing iron device: the hardness of HRC:20-45
Description: Z508 is a nickel copper alloy welding, cast iron welding rod (Meng Naier)strong reductive graphite coating. The process performance and machiningperformance close to Z308, but due to shrinkage is larger, the crack resistance of thepoor. The tensile strength of the welded joint is lower, so it should not be used forwelding stress positions, can be used as a normal temperature or low temperature preheating (to about 300 DEG C) welding of grey cast iron. AC and dc.
Usage: used for high strength is not necessary repair welding grey cast iron.
The chemical component of the deposited metal (%)
The chemical constituents of C Mn Si S Cu Ni Fe and other element contents
To ensure that the value is less than or equal to 1 = 2.50 = 0.80 = 0.025 = 6 = 1 24~3560~70
The reference current (AC, DC+)
The electrode diameter (mm) Phi 2.5 Phi 3.2 Phi 4 Phi 5
The welding current (A) 50~100 70~120 110~170 140~190
The matters needing attention:
1.Electrode shall be subject to around 150 degrees bake 1H 1 before welding.
2 welding fortune article by bead advisable, each weld length should not be more than 50mm, immediately after welding with a small hammer hammer welding, welding area to eliminate stress, prevent crack
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