G3

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.2 R60-G
EN ISO 20378 O - III
Process
GAS MIG TIG A.S.

Applications

Good impact strength at low temperature. Carbon steels, low alloy steels for low temperature applications. It is used for joints of pipelines, tanks, pipelines and parts of machines in general.

Base materials to be welded

S185, S235GT, S255GT, S235JO, S275JO, S355 P235GH, P235G1TH, P265GH, P285NH, P295GH, P295GH A106:A-B, A572:50, A252:3, A285:A-B-C St35.8, St45.8, HII, HIII, 17Mn4, St33, St52.3

Dimensions

TIG (mm)

1,00 - 1,20 - 1,60 - 2,00 - 2,40 - 3,00 - 3,20 - 4,00

Welding process

Protection

Oxifluel gas Welding

Post Welding Heat Treatment

as welded

Average Chemical analysis

C%
Si%
Mn%
P%
S%
Cu%
Cr%
Ni%
Mo%
Al%
V%
0,100
0,15
1,15
< 0,020
< 0,020
< 0,30
< 0,15
0,60
< 0,10
< 0,020
< 0,030

The copper value include the surface coating

Typical mechanical properties of all-weld metal

Rm
Rs
Al
Kv
N/mm²
N/mm²
%5d
+20°C
510
330
22
70 J

The mechanical properties are approximate and may range on the basis of the Heat, shielding gas, welding parameters and other factors

Approvals

Contact ITALFIL

Fields of application

Energia
Energy
Pipeline oil & gas
Structures
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