Guide to EN ISO 16834-A: Wire electrodes, wires, rods and
deposits for gas-shiel ded arc welding of high strength steels
Symbol
Yield Strength
min. MPa
Tensile Strength
MPa
Elongation
min. %
55
62
69
79
89
550
620
690
790
890
640-820
700-890
770-940
880-1080
940-1180
18
18
17
16
15
Symbol
Shielding gas
M
ISO 14175-M21
Mix ed gas without helium
ISO 14175-C1
Carbon dioxide
Ar +1-5% O2
C
A
G
62
6
Wire electrode and
/or deposit/ gas shielded
metal arc welding.
Symbol
Mn3NiCrMo
Mn3Ni1CrMo
Mn3Ni1Mo
Mn3Ni1,5Mo
Mn3Ni1Cu
Mn3Ni1MoCu
Mn3Ni2,5CrMo
Mn4Ni1Mo
Mn4Ni2Mo
Mn4Ni1,5CrMo
Mn4Ni2CrMo
Mn4Ni2,5CrMo
M
G4Ni1Mo
Symbol
Impact Energy
Charpy-V
Temp °C for 47J min.
Z
A
0
2
3
4
5
6
No requirements
+20
0
–20
–30
–40
–50
–60
Chemical composition of wire electrodes *
C
Si
Mn
P
S
Ni
Cr
0.14
0.12
0.12
0.08
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.13
0.60-0.80
0.40-0.70
0.40-0.80
0.20-0.60
0.20-0.60
0.20-0.60
0.40-0.70
0.50-0.80
0.25-0.60
0.50-0.80
0.60-0.90
0.50-0.80
1.30-1.80
1.30-1.80
1.30-1.90
1.30-1.80
1.20-1.80
1.20-1.80
1.30-1.80
1.60-2.10
1.60-2.10
1.60-2.10
1.60-2.10
1.60-2.10
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.018
0.50-0.65
1.20-1.60
0.80-1.30
1.40-2.10
0.80-1.25
0.80-1.25
2.30-2.80
0.80-1.25
2.00-2.60
1.30-1.90
1.80-2.30
2.30-2.80
0.40-0.65
0.20-0.40
0.15
0.15
0.15
0.15
0.20-0.60
0.15
0.15
0.15-0.40
0.20-0.45
0.20-0.60
Mo
Cu
0.15-0.30
0.30
0.20-0.30
0.35
0.25-0.65
0.30
0.25-0.55
0.30
0.20 0.30-0.65
0.20-0.55 0.30-0.65
0.30-0.65
0.30
0.20-0.55
0.30
0.30-0.65
0.30
0.30-0.65
0.30
0.45-0.70
0.30
0.30-0.65
0.30
Total other
0.25
0.25 **
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
* If not specified Ti <0.10, Zr <0.10, Al <0.12, V <0.03. Residual copper content in the steel plus any coating shall
comply with stated value.
Single values shown in the table mean maximum values.
** V =0.05-0.013
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