Brand Name

Equivalent Specification

Chemical Composition(%)

Size
(mm)

Description

Z208

GB EZC
AWS EC1
JIS DFCC1

C 2.0-4.0
Si 2.5-6.5
Mn≤0.75
S≤0.10
P≤0.15

3.2
4.0
5.0

It is a graphite type electrode with low carbon steel core. The deposited metal is gray cast iron and can be machined by cutting tools. Suitable for repair welding the defect of gray cast iron pieces. Its color can match the base metal.

Z308

GB EZNi-1
AWS EZNi-C1
JIS DFCNi

C≤2.00
Si≤2.50
Mn≤1.00
S≤0.03
Ni≥90
Fe≤8
The rest≤1.00

2.5
3.2
4.0

It is a graphite type electrode with pure nickel core. Suitable for repairing of welding various cast irons. The weld metal zone has a few inclinations to harden, and then machining is easy. But the color can not match the base metal.

Z408

GB EZNiFe-1
AWS ENiFe-C1
JIS DFCNiFe

C≤2.00
Si≤2.50
Mn≤1.8
S≤0.03
Ni 45-60
The rest≤1.00

3.2
4.0
5.0

It is a graphite type electrode with core of 55%Ni-Fe.It has excellent crack resistibility and is similar