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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