IMT 309 LSi

EN- ISO 14343-A: W/G 23 12 LSi
AWS A 5.9 – 93: ER309 LSi
Werkstoff Nr – 1.4332

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Wires and rods for semi-automatic welding and hardfacing in the gas mixture shielding Ar + CO2 (MAG) and argon Ar (TIG). After welding, an austenitic weld deposit with high Cr and Ni content and low carbon content is obtained. Intended for bonding non-alloy, low-alloy, stainless, heat-resistant steel grades with austenitic steels. Also used for laying buffer layers for plating surfaces of unstabilized sheets, stabilized and austenitic steels with low carbon content. Increased silicon content to improve weldability.

Chemical composition [%] Mechanical properties    MIG welding positions  TIG welding positions    MIG welding current TIG welding current
C = 0,03
Si = 0,65 – 1,00
Mn = 1,00 – 2,50
Cr = 23,00 – 25,00
Ni = 12,00 – 14,00
PROTECTIVE GAS: M1
Re [MPa]: > 320
Rm [MPa]: > 510
A5 [%]: > 25
KV [J]: > 47 (-20˚C)
pozycje-spawania bez-nazwy-2 =+ =-
Dimensions [ø mm] *
MIG welding wires: 0,8 1,0 1,2 1,6 TIG welding rods: 0,8 1,0 1,2  1,6 2,0 2,4 3,2 4,0 5,0

*Other dimensions available upon request. A list of authorizations.

IMT2