C9M

LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A 5.28 ER80S-B8
EN ISO 21952-A- G CrMo9Si
EN ISO 21952-A- W CrMo9Si

Process

GAS MIG TIG A.S.

Applications

Good resistance to strain, cracking, oxidation and high temperature corrosion. Low impact strength. For pipelines and specifically for the welding of tubes for cracking petroliferous facilities, steam and pressure tanks, power stations.

Base materials to be welded

X12CrMo9; GX12CrMo 10 1; X9CrMo91; X12CrMo91 V; X12CrMo 10 1; X 9 CrMo9 1; X 7 CrMo 9 1; GS-12CrMo10 1; X12CrMo91V

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

205-260Â° C

Interpass temperature

205-260Â° C

Post Welding Heat Treatment

745 Â± 15Â° C

Average Chemical analysis

Si%

Mn%

Cu%

Cr%

Ni%

Mo%

0,070

0,45

0,55

< 0,018

< 0,020

<0,25

9,00

< 0,20

1,00

The copper value include the surface coating

Typical mechanical properties of all-weld metal

N/mm²

%5d

+20°C

720

600

80 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