EXATON 309LMO

309LMo is suitable for joining stainless chromium-nickel steels of the ASTM 309 type, chromium steels and dissimilar metals e.g. austemitic stainless steel to carbon or low-alloyed steel. It is used for MIG/MAG welding

Category:

Description

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
As Welded
50 J (37 ft-lb) -196 degC (-321 degF)
120 J (89 ft-lb) -20 degC (-4 degF)
115 J (85 ft-lb) -40 degC (-40 degF)
130 J (96 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

Condition Elongation Tensile Strength Yield Strength
As Welded 35 % 620 MPa (90 ksi) 430 MPa (62 ksi)

Recommended Welding Parameters

Current Voltage Wire Diameter Wire Feed Speed
40-120 A 15-19 V 0.8 mm (0.030 in.) 4.0-8.0 m/min (157-315 in./min)
60-220 A 15-28 V 1.0 mm (0.040 in.) 4.0-12.0 m/min (157-472 in./min)
150-260 A 24-29 V 1.2 mm (0.047 in.) 3.0-10.0 m/min (118-394 in./min)
230-350 A 25-30 V 1.6 mm (1/16 in.) 3.0-5.0 m/min (118-197 in./min)

Classifications

Wire Electrode EN ISO 14343-A : G 23 12 L Si
SFA/AWS A5.9 : ER309LSi
Werkstoffnummer : 1.4332

Consumable Characteristics

Alloy Type Austenitic (with approx. 9 % ferrite) 24 % Cr – 13 % Ni – Low C- High Si

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu FN WRC-92 Mn Mo N Ni P S Si
0.02 % 23.5 % 0.08 % 6 % 1.6 % 0.1 % 0.08 % 13.7 % 0.01 % 0.01 % 0.8 %
Typical Wire Composition %
<0.02 % 23.5 % <0.2 % 8 % 1.8 % 0.2 % 0.1 % 13.7 % 0.02 % 0.01 % 0.9 %