Standard & Typical Chemical Composition of Deposited Metal (%)
Applications
C
Mn
Si
S
P
V
Ni
Cu
Fe
CHC100
Oxide flux with
carbon steel core
AWS A5.15 ESt GB/T 10044 EZFe-2
F,V,
OH,H
AC or DC+
≤0.15
0.050
≤0.60
0.30
≤0.15
0.15
≤0.040
0.013
≤0.040
0.014
—
—
—
Remain
Repair welding defects of normal cast iron and old steel ingot model used
over a long period of time, non machinable.
CHC116
Low hydrogen,vanadium
alloy with carbon steel core
DGS K 601.11-2004
F,V,
OH,H
DC+
—
—
—
—
—
8.0-13.0
11.0
—
—
Remain
Repair welding defects of cast iron such as cylinder body and gear box etc.
Also repair welding of high strength cast iron and nodular cast iron. The
machinable ability is so so.
CHC208
Graphite with carbon steel core
AWS ECI
F,V,
OH,H
AC or DC+
2.00-4.00
2.70
≤0.75
0.40
2.50-6.50
4.20
≤0.10
0.004
≤0.15
0.016
—
0.005
—
0.005
—
0.027
Remain
73.900
For repair welding defects of gray cast iron, which is non machinable.
CHC308
Graphite with pure nickel core
AWS A5.15 ENi-CI ISO 1071-E C GB/T 10044 EZNi-1
F,V,
OH,H
AC or DC+
≤2.00
0.59
≤1.00
0.07
≤2.50
1.50
≤0.030
0.004
—
Others
≤1.0
0.14
≥90.0
95.10
—
≤8.0
0.21
Suitable for repair cracked or worn castings and surfacing welding, as well
as joining cast iron parts with dissimilar metals. The deposited metal is
very good machinable and with a high toughness and excellent crack
resistibility.
CHC408
Graphite with
nickel-ferro core
AWS A5.15 ENiFe-CI ISO 1071-E C NiFe-CI-A GB/T 10044 EZNiFe-1
F,V,
OH,H
AC or DC+
≤2.00
0.71
≤2.50
0.24
≤4.00
1.00
≤0.030
0.007
—
Others
≤1.0
0.25
45-60
55.16
≤2.50
0.055
Remain
42.70
Suitable for repairing or surfacing cracked and worm parts made of gray cast
iron or ncdular iron, as well as joining cast iron with dissimilar metals.
It is machinable.
CHC508
Graphite with
monelmetal core
AWS A5.15 ENiCu-B ISO 1071-E C NiCu-B GB/T 10044 EZNiCu-1
F,V,
OH,H
AC or DC+
0.35-0.55
≤2.30
≤0.75
≤0.025
—
Others
≤1.0
60-70
25-35
3.0-6.0
Repair welding grey iron casting strength of which is not so highly
required.
