B3L

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.28 ER80S-B3L
EN ISO 21952-B- 2C1ML
Process
GAS MIG TIG A.S.

Applications

It replaces TD-B3 when the annealing is not possible; High insensitive to cracking. Boilers, pipelines, steam boilers and pressure tanks.

Base materials to be welded

10CrMo9-10; GS-18CrMo9, GS-17CrMoV5-11; 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

185-215° C

Interpass temperature

185-215° C

Post Welding Heat Treatment

690 ± 15° C

Average Chemical analysis

C%
Si%
Mn%
P%
S%
Cu%
Cr%
Ni%
Mo%
Al%
V%
FX ppm
0,030
0,50
0,60
< 0,012
< 0,015
< 0,25
2,50
< 0,20
1,00
< 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
610
530
20
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
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