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

185-215Â° C

Interpass temperature

185-215Â° C

Post Welding Heat Treatment

690 Â± 15Â° C

Average Chemical analysis

Si%

Mn%

Cu%

Cr%

Ni%

Mo%

Al%

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

N/mm²

%5d

-10°C

610

530

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

Energy

Pipeline oil & gas