Description
(Nickel-base alloy electrode)
CHARACTERISTICS
AWS A5.11 ENiCrMo-3
DIN 1736:EL-NiCr20Mo9Nb
⚫ Standardised with coating of special basic flux system.
- Non-synthetic Ni-Cr-Mo-Nb electrode for welding of NiCrMo alloys and superaustenitic stainless steels.
Welds of radiographic quality
⚫ Pleasing behaviour in terms of smooth arc, low spatter and easy de-slagging.
APPLICATIONS
Highly versatile, nickel-base alloy electrode suitable for a wide range of applications:
- Cryogenic vessels & pipework of 9% Ni steel (Q & T grade) for temperatures down to minus 196°C.
⚫ Elevated temperature services in furnace equipment & petrochemical plants & power generation plants, involving temperatures above 900°C.
Joining & surfacing in fabrication
Repair & maintenance welding, especially in reclamation of dies.
Base materials: Inconel 625, Inconel 601, Incoloy 800H, 825, & similar. CHEMICAL
CHEMICAL ANALYSIS OF ALL WELD DEPOSIT (%)
| C | Mn | Si | Cr | Ni | Mo | Nb + Ta | Cu | Fe | Co | S | P | Others |
| 0.10 max . | 1.0 max | 0.75 max | 20.0 23.0 | 55.0 min . | 8.0- 10.0 | 3.15- 4.15 | 0.50 max . | 5.0 max . | 0.12 max . | 0.020 max . | 0.030 max | 0.50 max . |
ALL WELD MECHANICAL PROPERTIES (AS WELDED)
| Ultimate Tensile Strength ( MPa ) | Elongation ( L - 4d ) | CVN Impact Value ( Joules ) at Se -196 ° C | Lateral expansion at -196 ° C |
| 760 Min . | 30 % Min | 30 Min . | 0.40mm Min . |
WELDING CURRENT RANGES FOR SIZES MANUFACTURED:
| Diameter ( mm ) | 2.5 | 3.20 / 3.15 | 4 | 0 |
| Length ( mm ) | 350 | 350 | 350 | 350 |
| Current Range ( Amp ) DC ( + ) | 60-80 | 80-100 | 100-140 | 150-190 |
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