Ni25

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.28 ER80S-Ni2
EN ISO 14341-A- G 50 9 M23 2Ni2
EN ISO 636-A-W 2Ni2

Process

GAS MIG TIG A.S.

Applications

Applications up to -60° C on mild steels, low alloy steels and fine grained steels. Plates, storage tanks, pipelines and equipment for cryogenic use.

Base materials to be welded

S235NL2, 14Ni6, 12Ni14, X12Ni5, S255N, S380N, S255NL, S380NL, S255NL1, S380NL1 ; A333: Gr. 1-3, A422: Gr.55-60, A334: Gr.3 ; 0Ni14, 13MnNi63, TTStE 355, TTStE 460, HY 80, TTStE 35 N

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, M23, Argon + 1-5% O2, / 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

135-165Â° C

Interpass temperature

135-165Â° C

Post Welding Heat Treatment

620 Â± 15Â° C

Average Chemical analysis

Si%

Mn%

Cu%

Cr%

Ni%

Mo%

Al%

Zr+Ti%

0,080

0,50

1,10

< 0,015

< 0,25

< 0,15

2,50

< 0,15

< 0,020

< 0,030

<0,050

The copper value include the surface coating

Typical mechanical properties of all-weld metal

N/mm²

%5d

-60°C

630

530

100 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

Energy

Structures