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Concise Specification Table For Stainless Steel Electrode

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Concise Specification Table For Stainless Steel Electrode

Item Code Type of Covering Equivalent Norm Welding Position Type of Current Mechanical Properties of Deposited Metal
Tensile Strength
Rm ( MPa )
Elongation
A( % )
CHK202 Lime titania AWS A5.4
E410-16
F,V,
OH, H
AC or DC+ ≥450
495
≥20
30
CHK207 Low hydrogen
sodium
AWS A5.4
E410-15
F,V,
OH, H
DC+ ≥450
545
≥20
29
CHK232 Lime titania AWS A5.4
E410NiMo-16
F,V,
OH,H
AC or DC+ ≥760
870
≥15
17
CHK307 Low hydrogen
sodium
AWS A5.4
E430-15
F,V,
OH,H
DC+ ≥450
550
≥20
22
CHS001 Extra low carbon
 Titania
AWS A5.4
E308L-17
F,V,
OH,H
AC or DC+ ≥520
570
≥35
47
CHS002 Extra low carbon
Lime titania
AWS A5.4
E308L-16
F,V,
OH,H
AC or DC+ ≥520
575
≥35
46
CHS012Si Lime titania DGS K 401.41-2004 F,V,
OH,H
AC or DC+ ≥540
705
≥25
39
CHS021 Extra low carbon
 Titania
AWS A5.4
E316L-17
F,V,
OH,H
AC or DC+ ≥490
555
≥30
44
CHS022 Extra low carbon
Lime titania
AWS A5.4
E316L-16
F,V,
OH,H
AC or DC+ ≥490
575
≥30
44
CHS022Si Extra low carbon
Lime titania
DGS K 401.51-2004 F,V,
OH,H
AC or DC+ ≥540
 580
≥25
 42
CHS032 Extra low carbon
Lime titania
AWS A5.4
E317L-16
F,V,
OH,H
AC or DC+ ≥520
595
≥30
44
CHS042 Extra low carbon
Lime titania
AWS A5.4
E309LMo-16
F,V,
OH,H
AC or DC+ ≥550
635
≥30
36
CHS052 Extra low carbon
Lime titania
DGS K 401.61-2004 F,V,
OH,H
AC or DC+ ≥540 ≥25
CHS052Cu Extra low carbon
Lime titania
AWS A5.4
E385-16
F,V,
OH,H
AC or DC+ ≥520 30
CHS061 Extra low carbon
 Titania
AWS A5.4
E309L-17
F,V,
OH,H
AC or DC+ ≥520
568
≥30
41
CHS062 Extra low carbon
Lime titania
AWS A5.4
E309L-16
F,V,
OH,H
AC or DC+ ≥520
565
≥30
41
CHS101 Titania AWS A5.4
E308-17
F,V,
OH,H
AC or DC+ ≥550
590
≥35
45
CHS102 Lime titania AWS A5.4
E308-16
F,V,
OH,H
AC or DC+ ≥550
595
≥35
44
CHS102H Lime titania AWS A5.4
E308H-16
F,V,
OH,H
AC or DC+ ≥550
605
≥35
48
CHS102MnMo Lime titania AWS A5.4
E307-16
F,V,
OH,H
AC or DC+ ≥590 ≥30
CHS107 Low hydrogen
sodium
AWS A5.4
E308-15
F,V,
OH,H
DC+ ≥550
600
≥35
44
CHS122 Lime titania DGS K 401.81-2004 F,V,
OH,H
AC or DC+ ≥540 ≥25
CHS131 Titania AWS A5.4
E347-17
F,V,
OH,H
AC or DC+ ≥520
 620
≥30
35
CHS132 Lime titania AWS A5.4
E347-16
F,V,
OH,H
AC or DC+ ≥520
 650
≥30
35
CHS347L-16 Extra low carbon
Lime titania
Contract F,V,
OH,H
AC or DC+ ≥520
 620
≥30
 40
CHS137 Low hydrogen
sodium
AWS A5.4
E347-15
F,V,
OH,H
DC+ ≥520
655
≥30
36
CHS157Mn Low hydrogen
sodium
AWS A5.4 E307 F,V,
OH,H
DC+ ≥540
635
≥30
38
CHS201 Titania AWS A5.4
E316-17
F,V,
OH,H
AC or DC+ ≥520
578
≥30
42
CHS202 Lime titania AWS A5.4
E316-16
F,V,
OH,H
AC or DC+ ≥520
575
≥30
42
CHS207 Low hydrogen
sodium
AWS A5.4
E316-15
F,V,
OH,H
DC+ ≥520
575
≥30
43
CHS212 Lime titania AWS A5.4
E318-16
F,V,
OH,H
AC or DC+ ≥520
610
≥30
38
CHS222 Lime titania GB E317MoCu-16 F,V,
OH,H
AC or DC+ ≥540
580
≥25
35
CHS232 Lime titania GB E318V-16 F,V,
OH,H
AC or DC+ ≥540 ≥25
CHS237 Low hydrogen
sodium
GB E318V-15 F,V,
OH,H
DC+ ≥540
590
≥25
43
CHS302 Lime titania AWS A5.4
E309-16
F,V,
OH,H
AC or DC+ ≥550
595
≥30
39
CHS307 Low hydrogen
sodium
AWS A5.4
E309-15
F,V,
OH,H
DC+ ≥550
590
≥30
39
CHS312
Lime titania
AWS  A5.4
E309Mo-16
F,V,
OH,H
AC or DC+ ≥550
 625
≥230
 36
CHS402 Lime titania AWS A5.4
E310-16
F,V,
OH,H
AC or DC+ ≥550
655
≥30
39
CHS407 Low hydrogen
sodium
AWS A5.4
E310-15
F,V,
OH,H
DC+ ≥550
605
≥30
38
CHS412 Lime titania AWS A5.4
E310Mo-16
F,V,
OH,H
AC or DC+ ≥550
680
≥30
38
CHS422 Lime titania DGS K 301.131-2007 F,V,
OH,H
AC or DC+ ≥540
580
≥30
40
CHS437 Low hydrogen
sodium
DGS K 401.101-2004 F,V,
OH,H
DC+ ≥540
670
≥22
32
CHS507 Low hydrogen
sodium
GB E16-25
MoN-15
F,V,
OH,H
DC+ ≥610
675
≥30
41
CHS517 Low hydrogen
sodium
DGS K 401.111-2004 F,V,
OH,H
DC+ ≥540
655
≥30
33
CHS29.9 Lime titania AWS A5.4
E312-16
F,V,
OH,H
AC or DC+ ≥660
785
≥22
26
CHS29.9-17 Titania AWS A5.4
E312-17
F,V,
OH,H
AC or DC+ ≥660
765
≥22
27
CHS2209 Extra low carbon
lime titania
AWS A5.4
E2209-16
F,V,
OH,H
AC or DC+ ≥690
785
≥20
29



Item Code Standard & Typical Chemical Composition of Deposited Metal (%)
C Mn Si S P Cr Ni Mo Cu Other
CHK202 ≤0.12
0.054
≤1.00
0.14
≤0.90
0.44
≤0.030
0.013
≤0.040
0.025
11.0-13.5
12.3
≤0.70
0.15
≤0.75
0.016
≤0.75
0.033
CHK207 ≤0.12
0.061
≤1.00
0.57
≤0.90
0.48
≤0.030
0.007
≤0.040
0.023
11.0-13.5
12.26
≤0.70
0.31
≤0.75
0.011
≤0.75
0.031
CHK232 ≤0.06
0.027
≤1.00
0.20
≤0.90
0.17
≤0.030
0.010
≤0.040
0.019
11.0-12.5
11.85
4.00-5.00
4.70
0.40-0.70
0.55
≤0.75
0.027
CHK307 ≤0.10
0.063
≤1.00
0.52
≤0.90
0.76
≤0.030
0.004
≤0.040
0.018
15.0-18.0
17.10
≤0.60
0.14
≤0.75
0.13
≤0.75
0.034
CHS001 ≤0.04
0.032
0.50-2.50
0.80
≤0.90
0.66
≤0.030
0.010
≤0.040
0.023
18.0-21.0
19.24
9.0-11.0
9.57
≤0.75
0.13
≤0.75
0.095
CHS002 ≤0.04
0.029
0.50-2.50
0.86
≤0.90
0.63
≤0.030
0.012
≤0.040
0.024
18.0-21.0
19.80
9.0-11.0
9.60
≤0.75
0.078
≤0.75
0.10
CHS012Si ≤0.04
0.018
≤1.00
0.66
3.50-4.30
4.00
≤0.030
0.011
≤0.035
0.013
18.0-22.0
19.15
12.0-15.0
14.00
0.20-0.50
0.35
CHS021 ≤0.04
0.026
0.50-2.50
0.76
≤0.90
0.64
≤0.030
0.010
≤0.040
0.021
17.0-20.0
18.47
11.0-14.0
11.91
2.00-3.00
2.36
≤0.75
0.15
CHS022 ≤0.04
0.030
0.50-2.50
0.85
≤0.90
0.621
≤0.030
0.012
≤0.040
0.028
17.0-20.0
19.00
11.0-14.0
11.86
2.00-3.00
2.50
≤0.75
0.16
CHS022Si ≤0.05
0.032
≤0.8 
0.61
≥0.60
 0.75
≤0.030 
0.012
≤0.035 
 0.022
18.5-20.5 
 19.30
10.5-12.5 
11.50
2.0-3.0 
 2.40
CHS032 ≤0.04
0.028
0.50-2.50
0.90
≤0.90
0.55
≤0.030
0.012
≤0.040
0.032
18.0-21.0
19.39
12.0-14.0
12.49
3.00-4.00
3.42
≤0.75
0.26
CHS042 ≤0.04
0.026
0.50-2.50
0.86
≤0.90
0.64
≤0.030
0.011
≤0.040
0.023
22.0-25.0
23.14
12.0-14.0
13.25
2.00-3.00
2.42
≤0.75
0.16
CHS052 ≤0.04 ≤2.00 ≤0.90 ≤0.030 ≤0.035 17.0-20.0 22.0-25.0 4.00-5.50
CHS052Cu ≤0.03 1.00-2.50 ≤0.75 ≤0.020 ≤0.030 19.5-21.5 24.0-26.0 4.20-5.20 1.20-2.00
CHS061 ≤0.04
0.027
0.50-2.50
0.854
≤0.90
0.680
≤0.030
0.008
≤0.040
0.021
22.0-25.0
24.189
12.0-14.0
12.999
≤0.75
0.122
≤0.75
0.099
CHS062 ≤0.04
0.027
0.50-2.50
0.85
≤0.90
0.67
≤0.030
0.009
≤0.040
0.020
22.0-25.0
24.20
12.0-14.0
13.09
≤0.75
0.090
≤0.75
0.092
CHS101 ≤0.08
0.047
0.50-2.50
0.80
≤0.90
0.75
≤0.030
0.010
≤0.040
0.028
18.0-21.0
19.80
9.0-11.0
9.90
≤0.75
0.15
≤0.75
0.30
CHS102 ≤0.08
0.048
0.50-2.50
0.86
≤0.90
0.66
≤0.030
0.012
≤0.040
0.028
18.0-21.0
19.88
9.0-11.0
9.70
≤0.75
0.14
≤0.75
0.23
CHS102H 0.04-0.08
0.058
0.50-2.50
0.68
≤0.90
0.69
≤0.030
0.007
≤0.040
0.021
18.0-21.0
19.20
9.0-11.0
9.79
≤0.75
0.057
≤0.75
0.108
CHS102MnMo 0.04-0.14 3.30-4.75 ≤0.90 ≤0.030 ≤0.040 18.0-21.5 9.0-10.7 0.5-1.5 ≤0.75
CHS107 ≤0.08
0.060
0.50-2.50
1.30
≤0.90
0.47
≤0.030
0.007
≤0.040
0.024
18.0-21.0
19.88
9.0-11.0
9.90
≤0.75
0.13
≤0.75
0.18
CHS122 ≤0.08 ≤2.50 ≤1.50 ≤0.030 ≤0.035 20.0-24.0 7.0-10.0
CHS131 ≤0.08
0.044
0.50-2.50
0.90
≤0.90
0.80
≤0.030
0.010
≤0.040
0.028
18.0-21.0
19.80
9.0-11.0
9.80
≤0.75
0.20
≤0.75
0.30
Nb 8×C-1.00
0.60
CHS132 ≤0.08
0.047
0.50-2.50
0.95
≤0.90
0.76
≤0.030
0.012
≤0.040
0.027
18.0-21.0
19.84
9.0-11.0
9.70
≤0.75
0.11
≤0.75
0.19
Nb 8×C-1.00
0.58
CHS347L-16 ≤0.04
0.033
0.8-2.5 
1.26
≤0.9 
0.75
≤0.020 
0.012
≤0.030 
 0.025
18.0-21.0 
 19.7
9.0-11.0 
9.8
≤0.5 
0.04
≤0.20 
0.09
Nb 8×C-1.00
 0.52
CHS137 ≤0.08
0.063
0.50-2.50
1.51
≤0.90
0.46
≤0.030
0.007
≤0.040
0.023
18.0-21.0
19.80
9.0-11.0
9.78
≤0.75
0.11
≤0.75
0.19
Nb 8×C-1.00
0.66
CHS157Mn ≤0.10
0.07
6.00-9.00
7.36
≤0.70
0.45
≤0.030
0.012
≤0.035
0.020
18.0-22.0
20.0
9.0-11.0
10.0

0.115

0.179
Akv Value (J) ≥90
100
CHS201 ≤0.08
0.036
0.50-2.50
0.81
≤0.90
0.630
≤0.030
0.013
≤0.040
0.028
17.0-20.0
18.88
11.0-14.0
11.92
2.00-3.00
2.49
≤0.75
0.21
CHS202 ≤0.08
0.037
0.50-2.50
0.82
≤0.90
0.64
≤0.030
0.013
≤0.040
0.028
17.0-20.0
18.81
11.0-14.0
12.00
2.00-3.00
2.50
≤0.75
0.19
CHS207 ≤0.08
0.051
0.50-2.50
1.22
≤0.90
0.49
≤0.030
0.008
≤0.040
0.022
17.0-20.0
18.78
11.0-14.0
12.2
2.0-3.0
2.40
≤0.75
0.14
CHS212 ≤0.08
0.043
0.50-2.50
1.35
≤0.90
0.41
≤0.030
0.009
≤0.040
0.026
17.0-20.0
18.65
11.0-14.0
12.20
2.00-3.00
2.42
≤0.75
0.19
Nb 6×C-1.00
0.69
CHS222 ≤0.08
0.035
0.50-2.50
0.77
≤0.90
0.58
≤0.030
0.012
≤0.035
0.022
18.0-21.0
19.28
12.0-14.0
12.60
2.00-2.50
2.30
≤2.00
1.49
CHS232 ≤0.08 0.50-2.50 ≤0.90 ≤0.030 ≤0.035 17.0-20.0 11.0-14.0 2.00-2.50 ≤0.50 V
0.30-0.70
CHS237 ≤0.08
0.052
0.50-2.50
1.96
≤0.90
0.43
≤0.030
0.008
≤0.035
0.025
17.0-20.0
18.7
11.0-14.0
12.31
2.00-2.50
2.24
≤0.50
0.18
V
0.30-0.70
0.44
CHS302 ≤0.15
0.064
0.50-2.50
0.98
≤0.90
0.64
≤0.030
0.012
≤0.040
0.027
22.0-25.0
24.34
12.0-14.0
12.85
≤0.75
0.29
≤0.75
0.20
CHS307 ≤0.15
0.077
0.50-2.50
1.46
≤0.90
0.58
≤0.030
0.009
≤0.040
0.025
22.0-25.0
23.80
12.0-14.0
12.80
≤0.75
0.13
≤0.75
0.21
CHS312 ≤0.12
0.057
0.50-2.50 
0.92
≤0.90 
0.63
≤0.030 
0.016
≤0.040 
 0.028
22.0-25.0 
 23.23
12.0-14.0 
13.16
2.00-3.00 
 2.44
≤0.75 
 0.20
CHS402 0.08-0.20
0.13
1.00-2.50
1.99
≤0.75
0.38
≤0.030
0.009
≤0.030
0.021
25.0-28.0
27.01
20.0-22.5
21.44
≤0.75
0.13
≤0.75
0.104
CHS407 0.08-0.20
0.133
1.00-2.50
1.74
≤0.75
0.45
≤0.030
0.008
≤0.030
0.018
25.0-28.0
26.60
20.0-22.5
21.30
≤0.75
0.11
≤0.75
0.087
CHS412 ≤0.12
0.083
1.00-2.50
1.92
≤0.75
0.37
≤0.030
0.012
≤0.030
0.021
25.0-28.0
26.71
20.0-22.0
21.09
2.00-3.00
2.50
≤0.75
0.10
CHS422 ≤0.20
0.09
5.00-10.00
6.80
≤1.20
0.50
≤0.030
0.012
≤0.030
0.020
23.0-27.0
25.0
16.0-20.0
17.50
CHS437 0.25-0.45
0.299
5.00-8.00
6.16
≤0.60
0.22
≤0.030
0.011
≤0.030
0.020
23.0-26.0
24.85
18.0-21.0
19.93
CHS507 ≤0.12
0.064
0.50-2.50
1.87
≤0.90
0.64
≤0.030
0.007
≤0.035
0.0189
14.0-18.0
16.59
22.0-27.0
24.43
5.00-7.00
6.11
≤0.50
0.15
N
≥0.10
0.16
CHS517 ≤0.10
0.071
≤1.20
0.91
1.30-2.10
1.60
≤0.030
0.007
≤0.030
0.019
19.0-25.0
23.35
21.0-25.0
22.54
≥2.80
3.91
≥2.80
3.83
CHS29.9 ≤0.15
0.085
0.50-2.50
1.11
≤0.90
0.78
≤0.030
0.011
≤0.040
0.028
28.0-32.0
29.39
8.0-10.5
9.97
≤0.75
0.16
≤0.75
0.20
CHS29.9-17 ≤0.15
0.092
0.50-2.50
0.99
≤0.90
0.72
≤0.030
0.009
≤0.040
0.025
28.0-32.0
29.73
8.0-10.5
10.24
≤0.75
0.090
≤0.75
0.111
CHS2209 ≤0.04
0.026
0.50-2.00
0.90
≤0.90
0.61
≤0.030
0.013
≤0.040
0.023
21.5-23.5
22.84
8.5-10.5
9.45
2.5-3.5
3.05
≤0.75
0.097
N
0.08-0.20
0.12



Item Code Applications Approvals
CHK202 Welding 0Cr13 or 1Cr13 stainless steels and similer steels, also surfacing for resisting corrosion and abrasion.  
CHK207 Welding 0Cr13 or 1Cr13 stainless steels and similer steels, also surfacing for resisting corrosion and abrasion.  
CHK232 Welding 0Cr13 stainless steels and similer stainless steels, also surfacing for resisting corrosion and abrasion.  
CHK307 Welding Crl7 stainless steel structures, which working condition of resisting corrosion or nitric acid and heat resistance.  
CHS001 Welding extra-low carbon 00Cr21Ni10 stainless steels.  
CHS002 Welding extra-low carbon 00Cr21Ni10 stainless steels. CWB
CHS012Si Welding extra-low carbon 00Cr17Ni15Si4Mo stainless steels structures, which need resistance of densenitric acid corrsion.  
CHS021 Widely be used in stainless steel structures of equipments of petrochemical, fertilizer, synthetic fibre, and paper industries. Also it could be used in welding dissimilar steels.  
CHS022 Widely be used in stainless steel structures of equipments of petrochemical, fertilizer, synthetic fibre, and paper industries. Also it could be used in welding dissimilar steels. CWB
CHS022Si It is one kind of duplex stainless steel welding rods and it is suitable for welding structures and pipes in smelting equipments fabricated by 3RE60 steel.  
CHS032 Suitable for stainless steel structures that resisting corrosion of nitric acid, sulphuric acid. acetic acid, etc.  
CHS042 Welding corresponding extra-low carbon stainless steel structures and dissimilar steels, e.g. ammonia or urea converters.  
CHS052 Welding stailess steel structures resisting marine corrosion or dissimilar steels, e.g. reactors of sulphuric acid, nitric acid, acetic acid, etc.  
CHS052Cu Suitable for welding chemical reactors and separators resisting corrosion of sulphuric acid,acetic acid and phosphoric acid.  
CHS061 For welding stainless steel structures of synthetic fibre, petrochemical equipment and nuclear reactor and also for dissimilar steels of stainless steels with carbon or low alloy steels.  
CHS062 Welding stainless steel structures of synthetic fibre, petrochemical equipment and nuclear reactor and also for dissimilar steels of stainless steels with carbon or low alloy steels. CWB
CHS101 Welding 0Cr18Ni9 and Crl8Ni9Ti stainless steel structures, which working temperature is below 300℃.  
CHS102 Welding 0Cr18Ni9 and Crl8Ni9Ti stainless steel structures, which working temperature is below 300℃.  
CHS102H Suitable for welding corrosion resisting stainless steel structures which work temperature is below 300℃.  
CHS102MnMo Suitable for welding structures made by ASTM307 stainless steel or dissimilar steels, also it can be used surfacing impingement & corrosion resisting steels and transition layers.  
CHS107 For welding 0Cr18Ni9 stainless steel structures, which working temperature is lower than 300℃.  
CHS122 For welding 0Cr18Ni9 crack resisting and corrosion resisting stainless steel structures, which working temperature is lower than 300℃.  
CHS131 Suitable for welding important resisting corrosion structures made by lCrl8Ni9Ti stainless steel that contents titanium stable agent.  
CHS132 Suitable for welding important resisting corrosion structures made by lCrl8Ni9Ti stainless steel that contents titanium stable agent.  
CHS347L-16 Suitable for hardfacing inner hulls of high pressur reactors of thermal power or nuclear power station fabricated by similar grade stainless steels.  
CHS137 Suitable for welding important structures made by Cr18Ni9, 1Cr18Ni9Ti corrosion resisting stainless steels, which contents titanium stable agent.  
CHS157Mn Suitable for high strength, high toughness steel structures, especially for military vehicles, such as panzers, tanks, etc.  
CHS201 Suitable for Cr18Ni12Mo2 stainless steel structures for organic acid or inorganic acid mediums. Also it could be used in high Cr steel or dissimilar steels that cannot be heattreatment after welding.  
CHS202 Suitable for Cr18Ni12Mo2 stainless steel structures for organic acid or inorganic acid mediums. Also it could be used in high Cr steel or dissimilar steels that cannot be heattreatment after welding.  
CHS207 Suitable for low carbon 0Cr18Ni12Mo2 stainless steel structures and it could be used in high Cr steel or dissimilar steels that cannot be heattreatment after welding.  
CHS212 Welding important structures made by Cr18Nil2MoTi and extra-low 00Cr18Ni12Mo2 stainless steels, e.g. urea converters or equipment of vinylon.  
CHS222 For welding stainless steel structures in the same system, which contains copper.  
CHS232 Welding structures made by Crl8Ni9Ti and Crl8Nil2Mo2Ti normal heat resisting and corrsion resisting stainless steels.  
CHS237 Multi-layer welding of Crl9Nil0Ti and Cr18Ni12Mo2Ti normal heat resisting and certain corrosion resisting stainless steel structures.  
CHS302 For welding stainless steels with same system, high chromium steels and high manganese steels as well as dissimilar steels, etc.  
CHS307 For welding stainless steels with same system, high chromium steels and high manganese steels as well as dissimilar steels, etc.  
CHS312 Suitable for welding stainless steel containers that resisting corrosion of vitriol, ammonia or sulfurous acid, etc. Also it could be used for multiple or dissimilar steels welding.  
CHS402 Suitable for heat resisting stainless steel structures also for high hardenability steels, such as Cr5Mo, Cr9Mo, Cr13 and Cr18 as well as for welding dissimilar steels.  
CHS407 Suitable for heat resisting stainless steel structures also for high hardenability steels, such as Cr5Mo, Cr9Mo, Cr13 and Cr18 as well as for welding dissimilar steels.  
CHS412 Suitable for welding heat resisting stainless steels or dissimilar steels.  
CHS422 The weld with high crack resistance since more Mn in it. It is suitable for welding austenitic stainless heat resistance steels as well as dissimilar steels.   
CHS437 Suitable for welding HK40 pipes and bottom rollers of high temperature furnace.  
CHS507 Suitable for welding quenched low alloy steels, medium alloy steels, dissmilar steels structures which are required for higer rigidity and similar heat-resisting high strengh steels.  
CHS517 Suitable for welding structures made by vitriol corrosion resisting steels.  
CHS29.9 For welding high carbon steels, tool steels, dissimilar steels, Cr29Ni9 cast steels, duplex stainless steels as well as problem steels.  
CHS29.9-17 For welding high carbon steels, tool steels, dissimilar steels, Cr29Ni9 cast steels, duplex stainless steels as well as problem steels.  
CHS2209 For welding extra-low carbon stainless steel structures, such as petrochemical, hydraulic projects. Also for 00Cr22Ni5Mo3N duplex stainless steel.  


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