Stainless steel welding wire Monolith ER309LSi

AWS A5.9: ER309LSi
CSA W48: ER309LSi
EN ISO 14343-A-G 23 12 L Si
Terms of use
  • welding is recommended to be carried out in gas mixtures (Ar+CO2) with direct current of reverse polarity; 
  • precision winding ensures steady wire feeding to the welding area; 
  • increased wire rigidity allows the use of a torch with up to 3 m (118 in) line.
Special properties
  • good performance under carburizing atmospheres. High temperature oxidation and corrosion resistance. High ferrite level; 
  • low carbon content, which reduces the possibilities of intergranular carbide precipitation, while increasing the resistance to intergranular corrosion without the use of stabilizers such as niobium or titanium; 
  • the high silicon content improves the weldability. 
  • excellent surface condition significantly reduces wire feeding ripples and improves welding stability.
Monolith ER309LSi austenitic stainless steel welding wire with a low carbon content is designed for semi-automatic welding of all 300 series austenitic stainless steel, 3Cr12, mild steels (cladding). It is widely used in applications in industrial furnace and boiler parts, annealing chambers, heat exchangers, fused salt treatment installations.
Package Weight
First select diameter
Packaging data
BS 300/ D 300 spoolD 200 plastic spoolD 170 plastic spool
Ø 0.8 (.030'')Ø 0.8 (.030'')Ø 0.8 (.030'')
Ø 0.9 (.035'')Ø 0.9 (.035'')Ø 0.9 (.035'')
Ø 1.0 (.040'')Ø 1.0 (.040'')Ø 1.0 (.040'')
Ø 1.2 (.045'')Ø 1.2 (.045'') 
Weight:Weight:Weight:
15 kg (33 lb)5 kg (11 lb)1 kg (2.2 lb)
  2.5 kg (5.5 lb)

Welding wire 0.8 mm (.030''), 1.0 mm (.040''), 1.2 mm (.045'') packed in 250 kg (551 lb) drums.

 

Coating type
chromium-nickel
CHEMICAL COMPOSITION OF DEPOSITED METAL, %
According to AWS A5.1 / Typical Results
C
Carbon
0.015
Mn
Manganese
2.00
Si
Silicon
0.70
P
Phosphorus
0.02
S
Sulfur
0.02
Cr
Chromium
24.00
Ni
Nickel
10.00
Mo
Molybdenum
0.50
Cu
Copper
0.50
Welding modes
Diameter, mm (in)Current strength, AVoltage, VProtective gas consumption, l / min 
0.8 (.030'')50 - 15013 - 216 - 8
0.9 (.035'')75 - 20016 - 248 - 10
1.0 (.040'') 70 - 20016 - 248 - 10
1.2 (.045'')90 - 35019 - 348 - 12

Welding should be carried out with direct current of the reverse polarity (DC+)

Position of seams during welding
PA
PB
PC
PF
PE
PD
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