TableTableTableTable 4 4 4 4

Symbols for the chemical composition of wire electrodesSymbols for the chemical composition of wire electrodesSymbols for the chemical composition of wire electrodesSymbols for the chemical composition of wire electrodes

Chemical composition 1) 2) 3)

Symbols

C Si Mn P S Ni Mo Al Ti ve Zr

G0 Any chemical composition agreed upon

G2Si1 0.06 – 0.14 0.50 – 0.80 0.90 – 1.30 0.025 0.025 0.15 0.15 0.02 0.15

G3Si1 0.06 – 0.14 0.70 – 1.00 1.30 – 1.60 0.025 0.025 0.15 0.15 0.02 0.15

G4Si1 0.06 – 0.14 0.80 – 1.20 1.60 – 1.90 0.025 0.025 0.15 0.15 0.02 0.15

G3Si2 0.06 – 0.14 1.00 – 1.30 1.30 – 1.60 0.025 0.025 0.15 0.15 0.02 0.15

G2Ti 0.04 – 0.14 0.40 – 0.80 0.90 – 1.40 0.025 0.025 0.15 0.15 0.05 – 0.20 0.05 – 0.25

G3Ni1 0.06 – 0.14 0.50 – 0.90 1.00 – 1.60 0.020 0.020 0.80 – 1.50 0.15 0.02 0.15

G3Ni2 0.06 – 0.14 0.40 – 0.80 0.80 – 1.40 0.020 0.020 2.10 – 2.70 0.15 0.02 0.15

G2Mo 0.08 – 0.12 0.30 – 0.70 0.90 – 1.30 0.020 0.020 0.15 0.40 – 0.60 0.02 0.15

G4Mo 0.06 – 0.14 0.50 – 0.80 1.70 – 2.10 0.025 0.025 0.15 0.40 – 0.60 0.02 0.15

G2Al 0.08 – 0.14 0.30 – 0.50 0.90 – 1.30 0.025 0.025 0.15 0.15 0.35 – 0.75 0.15 1) If not specified : Cr ≤ 0.15 ; Cu ≤ 0.35 and V ≤ 0.03. The amount of copper in the steel plus covering shall not exceed 0.35 %. 2) Single values in this table are maximum values.

3) The results shall be rounded to the same decimal place as the specified values using the Rule A, Appendix B of ISO 31-O : 1992.

Wire electrode

GGGG 42424242 4444 MMMM G3G3G3G3 Si Si Si Si 1 1 1 1

Table 1

Table 2 Table 3

Table 4

ExampleExampleExampleExample : : : : Wire electrodeWire electrodeWire electrodeWire electrode MMMMG G G G 2222

Wire electrodes Wire electrodes Wire electrodes Wire electrodes and weld metal for gasand weld metal for gasand weld metal for gasand weld metal for gas----shielded metalshielded metalshielded metalshielded metal----arc welding of unalloyed steels and fine arc welding of unalloyed steels and fine arc welding of unalloyed steels and fine arc welding of unalloyed steels and fine grain structural steels grain structural steels grain structural steels grain structural steels

TS 5618 TS 5618 TS 5618 TS 5618 EN 440EN 440EN 440EN 440

Table Table Table Table 1 1 1 1

Code digits for tensile strength and elongation properties of the weld metal Code digits for tensile strength and elongation properties of the weld metal Code digits for tensile strength and elongation properties of the weld metal Code digits for tensile strength and elongation properties of the weld metal

Code digits Minimum yield strength

1)

(N/mm2)

Tensile strength (N/mm

2)

Minimum elongation

(%)

35 355 440-570 22

38 380 470-600 20

42 420 500-640 20

46 460 530-680 20

50 500 560-720 18 1) For yield strength the lower (ReL) shall be used if yielding occurs, otherwise the 0,2% proof strength (Rp0,2) shall be applied. 2) Gauge length is equal to five times the test specimen diameter.

TableTableTableTable 2 2 2 2

Symbols for impact energy of allSymbols for impact energy of allSymbols for impact energy of allSymbols for impact energy of all----weweweweld metalld metalld metalld metal

Symbols

Temperature for minimum average

impact energy of 47J

(˚C)

Z No requirements

A + 20

0 0

2 -20

3 -30

4 -40

5 -50

6 -60

TableTableTableTable 3 3 3 3

Symbols for shielding gasSymbols for shielding gasSymbols for shielding gasSymbols for shielding gas

Symbols Meaning

M

This symbol for mixed gas shall be used if classification has been performed with shielding gas EN 439-M2, but without

helium.

C This symbol shall be used if classification has been performed with shielding gas EN

439-C1, carbon dioxide.