Exaton 309LMo-17

Exaton

Exaton 309LMo-17

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309LMo-17 is a high alloyed chromium-nickel-molybdenum covered electrode with rutile coating for welding of dissimilar joints between stainless steel and mild or low alloyed steels. It is also used to create buffer layers with a composition of 18%Cr/8%Ni/2%Mo before overlay alloys are deposited. The electrode has excellent arc stability, low spatter and fast burn off rate with minimal stub loss. It is also characterized by improved moisture resistance, self peeling slag, easy post weld finishing. 309LMo-17 gives smooth uniform beads and works in any standard weld position. Typical applications are welding of stainless steels to mild or low alloy steels, buffer layers on low alloy steels before overlays of 316 composition, welding of medium carbon hardenable steels e g armor plate.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
47 J (35 ft-lb) -20 degC (-4 degF)
57 J (42 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded30 %ISO790 MPa (115 ksi)560 MPa (81 ksi)

Deposition Data

Current Fusion time per electrode at 90% I max Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
50-90 A 45 sec 0.9 kg/h (2,0 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 57 % 94 29 V
60-120 A 61 sec 1.4 kg/h (3,1 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 59 % 47 27 V
85-180 A 56 sec 2.0 kg/h (4,4 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 61 % 32 31 V
110-250 A 64 sec 2.7 kg/h (6,0 lb/h) 5.0 x 350.0 mm (0.197 x 13,8 in.) 59 % 20 30 V

Classifications

Classifications EN ISO 3581-A : E 23 12 2 L R 3 2
SFA/AWS A5.4 : E309LMo-17
Werkstoffnummer : 1.4459

Approvals

Approvals CE EN 13479
DNV-GL VL 309 MoL
VdTÜV 07790
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic CrNi
Coating Type Acid Rutile
Ferrite Content FN 12-22
Welding Current DC+, AC

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu FN WRC-92 Mn Mo N Ni P S Si
0.02 % 23 % 0.07 % 18 % 0.8 % 2.6 % 0.08 % 12.5 % 0.021 % 0.014 % 0.9 %
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Part Numbers and Accessories

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Part Numbers : Exaton 309LMo-17
68972520L0 FIND A DISTRIBUTOR
68973230T0 FIND A DISTRIBUTOR
68974030G0 FIND A DISTRIBUTOR
68975030G0 FIND A DISTRIBUTOR

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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