D2

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.28 ER80S-D2
EN ISO 14341-A- G 50 2 M21 4Mo
EN ISO 636-A-W Z2Mo
Process
GAS MIG TIG A.S.

Applications

Hot work creep resistance steels for costruction Steam boilers, pressure tanks, gas pipes, shipbuilding sector, petrolchemical industry, heat exchangers, building of cranes, bridges, etc.

Base materials to be welded

P235G1TH, P255G1TH, P310GH, 16Mo3, A255, A350, A612, A210, A333, A316, A369, A106

Dimensions

MIG (mm)

0,60 - 0,80 - 0,90 - 1,00 - 1,14 - 1,20 - 1,40 - 1,60

TIG (mm)

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

Welding process

Protection

MIG: C1, M21/ TIG: I1 (Argon)

Current and polarity

MIG: DC+ / TIG: DC-

Welding positions

EN ISO 6947: PA, PB, PC, PD, PE, PF, PG

Pre Heating temperature

135-165° C

Interpass temperature

135-165° C

Post Welding Heat Treatment

as welded

Average Chemical analysis

C%
Si%
Mn%
P%
S%
Cu%
Cr%
Ni%
Mo%
Al%
V%
Zr+Ti%
0,090
0,70
1,90
< 0,015
< 0,015
< 0,25
< 0,15
< 0,10
0,50
< 0,020
< 0,030
< 0,050

The copper value include the surface coating

Typical mechanical properties of all-weld metal

Rm
Rs
Al
Kv
N/mm²
N/mm²
%5d
-30°C
670
550
24
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
Naval
Structures
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