Exaton 25.22.2.LMn

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Exaton 25.22.2.LMn is a manganese alloyed chromium-nickel-molybdenum filler material used for welding Sandvik 2RE69 (UNS S31050, 1.4466), Sandvik 3R60 U.G. (UNS S31603, 1.4435). The weld deposit has excellent low temperature toughness that makes it suitable for joining stainless steels for cryogenic service. It is used for MIG/MAG welding. Exaton 25.22.2.LMn has extensively been used successfully in all critical high-pressure units of modern urea processes, such as: Stripper tubes - Stamicarbon, Montedison IDR Outerlayer of bimetallic ( stripper tubes) - Saipem Ferrules - All processes Carbamate condensers - All processes Decomposers - Montedison Reactor coils - UTI Exaton 25.22.2.LMn has also found extensive use in other corrosive environments in fertilizer plants, such as: – Nitric acid cooler/condensers cooled with polluted cooling water – Heating coils and pipe in NPK plants – Norsk Hydro process

Typical Charpy V-Notch Properties

as welded

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded32 %635 MPa (92 ksi)420 MPa (61 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)


Wire Electrode Werkstoffnummer : 1.4466*
SFA/AWS A5.9 : ER"310LMo"
EN ISO 14343-A : G 25 22 2 N L


Approvals CE EN 13479
VdTÜV 03102
Approvals are based on factory location. Please contact ESAB for more information.

Typical Weld Metal Analysis %

Typical Wire Composition %
B C Co Cr Cu Mn Mo N Nb Ni P S Si
0.0018 % 0.001 % 0.03 % 25 % 0.02 % 4.6 % 2.2 % 0.14 % 0.01 % 22 % 0.013 % 0.003 % 0.12 %

How to purchase Exaton 25.22.2.LMn

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Part Numbers and Accessories

Part Numbers : Exaton 25.22.2.LMn