Standard & Typical Chemical Composition of
Deposited Metal (%)
Standard & Typical Mechanical Properties of
Deposited Metal (AW)
Applications
Approvals
C
Mn
Si
S
P
Cr
Ni
Mo
V
Yield Point ReL (MPa)
Tensile Strength
Rm
(MPa)
Elongation
A4 (%)
Akv Value (J)
Shield Gas
Temp.(℃)
Joule
CHT70C6
AWS A5.18 E70C-6M BS EN
ISO 17632 T423MM3H5
F,H, HF, VD
DC+
≤0.12
≤1.75
≤0.90
≤0.03
≤0.03
—
—
—
—
≥400
≥480
≥22
-30
≥27
70
75-80%Ar + balance CO2
Mainly for flat and horizontal
fillet welding structures fabricated by mild steels or 490MPa tensile
strength steels, e.g. ships, automobiles, pipes, machinery and so on.
Vertical down welding could be performed if take lower current.
0.05
1.45
0.76
0.018
0.015
—
—
—
—
450
550
27
CHT70C3
AWS A5.18 E70C-3M BS EN ISO
17632 T422MM3H5
F,H, HF, VD
DC+
≤0.12
≤1.75
≤0.90
≤0.03
≤0.03
—
—
—
—
≥400
≥480
≥22
-20
≥22
75
75-80%Ar + balance CO2
Mainly for flat and horizontal fillet welding structures fabricated by mild steels or 490MPa tensile strength
steels, e.g. automobiles, pipes, machinery and so on. Vertical down welding
could be performed if take lower current.