Mechanical Properties of Deposited Metal (Typical)
Application
Approvals
C
Mn
Si
S
P
Cr
Ni
Mo
Cu
Other
Postweld Condition
Yield Point
ReL (MPa)
Tensile Strength
Rm (MPa)
Elongation A 4(%)
Akv Value (J)
Shield Gas
Temp. (℃)
Joule
CHW-40CNH
TB/T 2374 H08MnSiCuCrNi (Type I) JIS Z3315
YGA-50W (Type II)
F,V,
OH,H
DC+
0.07
1.34
0.59
0.010
0.014
0.31
0.32
—
0.38
≤0.5
AW
400
520
25
-40
90
CO2
Suitable for 450MPa tensile strength low alloy steel structures, which
resist temperature infection as well as atmospheric corrosion and marine
corrosion, such as marine containers,railway wagons, offshore drilling
platforms, bridges, etc.
—
0.07
1.15
0.47
0.010
0.015
0.30
0.31
—
0.35
≤0.5
AW
415
525
26
100
CO2(20%) + Ar(80%)
CHW-50C
AWS A5.18 ER70S-7 BS EN ISO 14341-A-G 42 Z C
G4Si1 BS EN ISO 14341-B-G 49A
Z C G7
F,V,
OH,H
DC+
0.08
1.97
0.72
0.019
0.020
0.020
0.021
—
0.20
≤0.5
AW
425
545
30
25
135
CO2
Single-pass & multi-pass welding for structures fabricated by 500MPa tensile
strength carbon steels or low alloy steels. Crack resistance of weld is
satisfactory.
—
CHW-50C2
AWS A5.18 ER70S-2 BS EN ISO 14341-A-G 42 3 C
G2Ti BS EN ISO 14341-B-G 49A 3 C G2
F,V,
OH,H
DC+
0.05
1.20
0.60
0.010
0.016
Al
0.08
Ti
0.11
Zr
0.08
0.20
≤0.5
AW
445
540
25
-30
60
CO2
Single-pass & multi-pass welding and butt or fillet structures fabricated by
450MPa or 500MPa tensile strength mild steel or low alloy steels.
Particularlly for the welding environment with impurities.
—
465
550
27
80
CO2(20%) + Ar(80%)
CHW-50C3
AWS A5.18 ER70S-3 BS EN ISO 14341-A-G 38 4 M
G2Si1 BS EN ISO 14341-B-G 49A 4 M G3 CSA
W48-01 ER49S-3 JIS Z3312 YGW16
F,V,
OH,H
DC+
0.099
1.11
0.62
0.011
0.015
0.020
0.021
0.007
0.18
V 0.008
AW
435
540
29
-40
90
CO2(20%) + Ar(80%)
Suitable for single-pass & multi-pass welding and butt or fillet structures
made of 450MPa and 500MPa tensile strength steel, in particular for high
speed welding sheet steel, e.g. automobile.
CWB, CE, DB, TUV
CHW-50C4
AWS A5.18 ER70S-4 BS EN ISO 14341-A-G 38 2 M
G2Si1 BS EN ISO 14341-B-G 49A 2 M G4
F,V,
OH,H
DC+
0.11
1.11
0.72
0.013
0.016
0.022
0.026
0.007
0.19
≤0.5
AW
425
540
29
-20
75
CO2
Suitable for single-pass & multi-pass welding and butt or fillet structures
made of 450MPa and 500MPa tensile strength steel, e.g. automobile,
machinery
—
CHW-50C6SM
AWS A5.18 ER70S-6 BS EN ISO
14341-A-G 42 3 C G3Si1 BS EN ISO 14341-B-G 49A 2 C
G6 CSA W48-01 ER49S-6 JIS Z3312
YGW12
F,V,
OH,H
DC+
0.06-0.15
1.40-1.85
0.80-1.15
≤0.035
≤0.025
≤0.15
≤0.15
≤0.15
≤0.5
V ≤0.03 0.01
AW
≥375
490-660
≥22
-20
≥47
CO2
For welding of structures fabricated by 500MPa tensile strength mild steels
or low alloy steels. It is widely used in marine containers, vehicles, ships
and machinery.
AWS A5.18 ER70S-G BS EN ISO 14341-B-G 49A 3 C
G11 JIS Z3312 YGW11
F,V,
OH,H
DC+
0.10
1.45
0.71
0.013
0.011
Ti
0.15
—
—
0.14
≤0.5
AW
440
560
30
-30
75
CO2
Particularly for high speed backing welding for huge pipe lines that
fabricated by X65 or X70 steels as well as other structures made by 450MPa
or 500MPa tensile strnegth carbon steels or low alloy steels, such as
engineering machinery, bridges, high pressure vessels and so on.
—
CHW-55B2
AWS A5.28
ER80S-B2 BS
EN ISO 21952-A-G (CrMo1Si) BS EN ISO 21952-B-G 1CM3
JIS Z3317 YG1CM
F,V,
OH,H
DC+
0.075
1.22
0.68
0.009
0.013
1.21
—
0.50
0.14
≤0.5
PWHT 690℃X1h
505
610
21
25
90
CO2
Suitable for structures fabricated by 1.25Cr-0.5Mo series pearlitic
heat-resisting low alloy steels such as heavy equipments of thermal power
stations and nuclear power stations, petroleum & chemical industries which
working temperature is below 550℃.
—
545
645
23
130
CO2(20%) + Ar(80%)
CHW-55B2V
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
0.081
1.36
0.70
0.010
0.012
1.25
V
0.26
0.61
0.15
≤0.5
PWHT 730℃X2h
640
720
20
25
70
CO2(20%) + Ar(80%)
Suitable for structures fabricated by 1.25Cr-0.5Mo-0.25V series pearlitic
heat-resisting low alloy steels such as heavy equipments of thermal power
stations and nuclear power stations, petroleum & chemical industries which
work temperature is lower than 550℃
—
CHW-55B6
AWS A5.28 ER80S-B6 JIS Z3317
YG5CM BS EN ISO 21952-A-G
CrMo5Si BS EN ISO 21952-B-G (5CM)
F,V,
OH,H
DC+
0.08
1.14
0.65
0.009
0.013
5.10
—
0.58
0.12
≤0.5
PWHT 745℃X2h
480
605
22
25
90
CO2
It is suitable for welding heat resisting structures, especially widely be
used on the refining equipment of petroleum industry.
—
485
615
24
120
CO2(20%) + Ar(80%)
CHW-55C1
AWS A5.28 ER80S-Ni1 BS EN ISO 14341-A-G 46 5 M
G3Ni1 BS EN ISO 14341-B-G 55A 5 M GN2 JIS Z3315 YGL1-4A（A）
F,V,
OH,H
DC+
0.084
1.06
0.53
0.010
0.010
0.07
0.93
0.02
0.21
Ti
0.01
AW
475
570
27
-45
70
CO2
It is suitable for important structures that fabricated by low alloy steels
with low temperature (-45℃)
toughness.
—
485
580
30
110
CO2(20%) + Ar(80%)
CHW-55CNH
BS EN ISO 14341-B-G 55A 4 M GNCC JIS Z3315 YGA-58W
F,V,
OH,H
DC+
0.08
1.40
0.45
0.008
0.012
0.65
0.35
—
0.25
≤0.3
AW
520
625
26
-40
80
CO2(20%) + Ar(80%)
Suitable for railway wagons, vehicles, locomotives fabricated by atmospheric
corrosion and infection resistance steels.
—
CHW-55VW
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
0.07
1.48
0.60
0.005
0.005
1.44
0.035
0.932
V 0.289
W
0.24
PWHT 730℃X5h
550
655
21
25
85
CO2
It is suitable for important structures made by heat resisting low alloy
steels, e.g. 15CrMoV and which working temperature is lower than 570℃.
—
570
665
22
130
CO2(20%) + Ar(80%)
CHW-60C
AWS A5.28 ER80S-G BS EN ISO 14341-B-G 55A 3 M
G3M1T JIS Z3312 YGW19
F,V,
OH,H
DC+
0.07
1.70
0.60
0.008
0.013
Ti
0.15
—
0.18
0.21
≤0.5
AW
510
610
27
-30
90
CO2
It is widely used in structures fabricated by 550MPa or 600MPa high tensile
strength low alloy steels, e.g. X70, 62CF, 15MnMo, etc. such as heavy
machine equipments, bridges, vehicles, skyscrapers and so on. the welded
piece should be tempered at 310℃ not shorter than 2 hour after welding.
—
550
650
24
85
CO2(20%) + Ar(80%)
CHW-60CG
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
≤0.11
1.60-2.00
0.48-0.80
≤0.015
≤0.015
≤0.30
≤0.30
0.10-0.40
≤0.50
≤0.5
AW
≥490
≥610
≥20
-30
≥47
CO2
It is suitable for welding 550MPa-600MPa high tensile strength flawless
steels especially for the huge petroleum storage tanks. The welded piece
should be tempered at 310℃ not shorter than 2 hour after welding.
—
0.07
1.70
0.60
0.010
0.013
0.045
0.021
0.20
0.20
Ti
0.15
510
615
22
80
CHW-60CS
AWS A5.28 ER80S-D2 BS EN ISO 14341-A-G 50 3 M
G4Mo BS EN ISO 14341-B-G 55A 3 M G4M31 JIS Z3312 YGW21
F,V,
OH,H
DC+
0.081
1.91
0.74
0.007
0.013
—
Ti
0.024
0.28
0.12
≤0.5
AW
560
670
24
-30
80
CO2(20%) + Ar(80%)
It is used to butt or fillet welding structures by 550MPa-690MPa tensile
strength steels such as bridges, pressure vessels, engineering &
construction machinery and so on.
—
CHW-60GX
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
0.086
1.45
0.53
0.004
0.008
0.33
0.056
0.21
0.20
Ti
0.10
AW
525
620
27
-10
110
CO2(20%) + Ar(80%)
Mainly for welding pipelines fabricated by X80 steel as well as for welding
structures made by low alloy steels with equivalent grade tensile strength
such as 62CF, BHW35.
—
CHW-62B3
AWS A5.28 ER90S-B3 BS EN ISO 21952-A-G
CrMo2Si BS EN ISO 21952-B-G (2C1M3)
JIS Z3317 YG2CM
F,V,
OH,H
DC+
0.092
0.92
0.64
0.006
0.015
2.31
—
1.04
0.20
≤0.5
PWHT 690℃X1h
550
680
20
25
80
CO2
Suitable for structures fabricated by 2.25Cr1Mo series pearlitic
heat-resisting low alloy steels such as thermal power projects, nuclear &
space projects, petroleum & chemical projects which working temperature is
below 580℃ .
—
585
705
19
122
CO2(20%) + Ar(80%)
CHW-62GX
AWS A5.28 ER90S-G BS EN ISO 14341-B-G 57A 2 C
GN1
F,V,
OH,H
DC+
0.096
1.55
0.42
0.004
0.010
0.18
0.81
0.26
0.11
Ti
0.12
AW
600
680
23
-10
150
CO2
Using big current for high speed welding pipelines fabricated by X80 steel
as well as for welding structures made by low alloy steels with equivalent
grade tensile strength such as 62CF, BHW35.
—
CHW-65A
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
0.06
1.60
0.60
0.006
0.010
0.40
Ti & B
Few
0.20
0.12
≤0.5
AW
515
615
28
-20
110
CO2(20%) + Ar(80%)
For multi-pass welding of heavy structures made by 550MPa or 600MPa high
tensile strength low alloy steels such as hydro-projects and thermal power
projects, petroleum & chemical projects as well as heavy engineering
machinery
—
CHW-65C
AWS A5.28 ER80S-G BS EN ISO 14341-B-G 55A 3 C
GN1
F,V,
OH,H
DC+
0.06
1.64
0.61
0.006
0.011
Ti & B
Few
0.70
0.19
0.11
≤0.5
AW
510
605
27
-20
120
CO2
For multi-pass welding of heavy structures made by 550MPa or 600MPa high
tensile strength low alloy steels such as hydro-projects and thermal power
projects, petroleum & chemical projects as well as heavy engineering
machinery
—
CHW-65CG
AWS A5.28 ER80S-G
F,V,
OH,H
DC+
≤0.11
1.40-1.80
0.30-0.80
≤0.015
≤0.020
≤0.60
≤1.00
0.10-0.40
≤0.50
≤0.5
PWHT 580℃X2.5h
≥490
≥610
≥20
-30
≥50
CO2
It is suitable for welding 550MPa-600MPa grade flawless steels especially
widely be used on the huge petroleum storage tanks.
—
0.09
1.60
0.58
0.006
0.015
0.04
0.84
0.25
0.20
Ti
0.12
530
630
22
60
CHW-70C
AWS A5.28 ER100S-G BS EN ISO 14341-B-G 57A 2 M
GN2M3T
F,V,
OH,H
DC+
0.083
1.72
0.62
0.008
0.014
Ti
0.10
1.14
0.42
0.24
≤0.5
AW
630
720
21
-20
70
CO2
For welding of heavy structures made by 690MPa-720MPa high tensile strength
low alloy steels such as hydro-projects and thermal power projects,
petroleum & chemical projects,heavy engineering machinery as well as heavy
trucks.
LR, ABS
650
750
23
95
CO2(20%) + Ar(80%)
CHW-80C
AWS A5.28 ER110S-G
F,V,
OH,H
DC+
0.074
1.75
0.47
0.004
0.008
0.30
2.11
0.54
0.20
≤0.5
PWHT 310℃X1h
665
775
23
-40
90
CO2(20%) + Ar(80%)
For multi-pass welding of heavy structures made by 760MPa grade high tensile
low alloy steels, e.g. heavy engineering machinery.
—
CHW-80C1
AWS A5.28 ER110S-G
F,V,
OH,H
DC+
0.076
1.72
0.45
0.006
0.007
0.32
2.15
0.53
0.21
≤0.5
AW
700
820
18
-40
110
CO2(20%) + Ar(80%)
Fabricating heavy structures made by 800MPa grade high tensile low alloy
steels of CF80,WEL-TEN80C etc.such as bridges, marine engineering projects,
heavy engineering machinery.
