B2

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.28 ER 80S-B2
EN ISO 21952-B- 1CM
Process
GAS MIG TIG A.S.

Applications

For heat resistance and cracking resistant Cr-Mo steels.Boilers, material handling machines, pipelines. Chemical and petrolchemical industry especially when dealing with sulphured products.

Base materials to be welded

13CrMo4-5, G17CrMo55, A387:2,11,12, A200: T11, T12, GS 25CrMo4, GS 18CrMo910, 10CrMo910, 10CrSiMoV7, 10CrV63, 12CrSiMo8

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: 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

135-165° C

Interpass temperature

135-165° C

Post Welding Heat Treatment

620 ± 15° C

Average Chemical analysis

C%
Si%
Mn%
P%
S%
Cu%
Cr%
Ni%
Mo%
Al%
V%
FX ppm
0,080
0,55
0,60
< 0,012
< 0,015
< 0,25
1,30
< 0,20
0,50
< 0,020
< 0,010
< 15

The copper value include the surface coating

Typical mechanical properties of all-weld metal

Rm
Rs
Al
Kv
N/mm²
N/mm²
%5d
-10°C
620
510
24
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

Energia
Energy
Pipeline oil & gas
Structures
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