Exaton 25.22.2.LMn
25.22.2.LMn is a manganese alloyed chromium-nickel-molybdenum filler material used for welding UNS S31050, 1.4466 or UNS S31603, 1.4435. The weld deposit has excellent low temperature toughness that makes it suitable for joining stainless steels for cryogenic service. 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 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 It is used for TIG-welding.
Typical Charpy V-Notch Properties
| as welded | ||||
Typical Tensile Properties
| Condition | As Welded | PWHT |
| Tensile Strength | 580 MPa (84 ksi) | 410 MPa (59 ksi) |
| Yield Strength | 335 MPa (49 ksi) | 225 MPa (33 ksi) |
| Elongation | 42 % | 29 % |
| Testing Temperature | 400 degC (752 degF) |
Classifications
| Wire Electrode |
Werkstoffnummer : 1.4466* SFA/AWS A5.9 : ER"310LMo" EN ISO 14343-A : W 25 22 2 N L |
Approvals
| 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 % | 0.010 % | 0.03 % | 25 % | 0.02 % | 4.6 % | 2.2 % | 0.14 % | 0.01 % | 22 % | 0.013 % | 0.003 % | 0.12 % | ||
| Typical Weld Metal Analysis % | ||||||||||||||
| 0.0016 % | 0.011 % | 0.03 % | 25.1 % | 0.04 % | 4.4 % | 2.2 % | 0.12 % | 0.01 % | 21.9 % | 0.012 % | 0.002 % | 0.10 % | ||
Part Numbers and Accessories
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