Introduction
NIWIRE has been producing nickel alloy and stainless steel consumables from melting to finished products. Product forms include continuous wires precision wound on spools used in the Gas Metal Arc Welding process (GMAW or MIG), and cut length rods embossed with grades at ends for Tungsten Inert Gas welding (TIG), coated electrodes and welding strips for overlay, agglomerated fluxes, which are used in combination with weldstrip or sub-arc wire are also available.
Nickel Alloys
| Product Name | AWS/EN | UNS | Applications | |
| NIWIRE 61 | ERNi-1 | A5.14 | N02061 | ERNi-1 is used for welding wrought and cast forms of commercially pure nickel alloy (UNS N02200 or N02201) to itself using the GTAW, GMAW, SAW, and PAW processes. |
| NIWIRE 82 | ERNiCr-3 | A5.14 | N06082 | NIWIRE 82 is used for welding nickel-chromium-iron alloy (UNS N06600) to itself, for the clad side of joints in steel clad with nickel chromium-iron alloy, for surfacing steel with nickel-chromium iron weld metal, for dissimilar welding of nickel-base alloys, and for joining steel to stainless steel or nickel-base alloys using the GTAW, GMAW, SAW, and PAW processes. |
| NIWIRE 60 | ERNiCu-7 | A5.14 | N04060 | NIWIRE 60 is used for welding nickel-copper alloy (UNS N04400) to itself using the GTAW, GMAW, SAW, and PAW processes. |
| NIWRE 625 | ERNiCrMo-3 | A5.14 | N06625 | NIWIRE 625 is used for welding nickel-chromium-molybdenum alloy (UNS N06625) to itself, to steel, to other nickel-base alloys, for cladding steel with nickel-chromium molybdenum weld metal, and for welding the clad side of joints in steel with nickel-chromium-molybdenum alloy using the GTAW, GMAW, SAW, and PAW processes. This filler metal is recommended for applications where the operating temperature ranges from cryogenic to 1000°F [540°C]. |
| NIWIRE 276 | ERNiCrMo-4 | A5.14 | N10276 | NIWIRE 276 is used for welding nickel chromium molybdenum alloy (UNS N10276) to itself, to steel, to other nickel-base alloys, and for cladding steel with nickel chromium molybdenum weld metal using the GTAW and GMAW processes. |
| NIWIRE 718 | ERNiFeCr-2 | A5.14 | N07718 | NIWIRE 718 is used for welding nickel chromium niobium molybdenum alloy (UNS N07718) to itself using the GTAW processes. |
| NIWIRE 65 | ERNiFeCr-1 | A5.14 | N08065 | NIWIRE 65 is used for welding the nickel iron chromium molybdenum copper alloy (ASTM B 423 having UNS number N08825) to itself using the GTAW and GMAW processes. |
| NIWIRE 52 | ERNiCrFe-7 | A5.14 | N06052 | NIWIRE 52 is used for welding nickel chromium iron alloy (UNS N06690) to itself, to steels, to overlay on steels, and to weld steels clad with the nickel chromium iron alloys using the GTAW, GMAW, SAW, and PAW processes. |
| NIWIRE C-4 | ERNiCrMo-7 | A5.14 | N06455 | NIWIRE C-4 is used for welding nickel chromium molybdenum alloy (UNS N06455) to itself, to steel, to other nickel base alloys, and for cladding steel with nickel chromium molybdenum weld metal using the GTAW, GMAW, and PAW processes. |
| NIWIRE 617 | ERNiCrCoMo-1 | A5.14 | N06617 | NIWIRE 617 is used for welding nickel chromium cobalt molybdenum alloy (UNS number N06617) to itself using the GTAW and GMAW processes. |
| NIWIRE 686 | ERNiCrMo-14 | A5.14 | N06686 | NIWIRE 686 is used for welding nickel chromium molybdenum alloy (UNS N06686) to itself, to steel, to other nickel base alloys, and for cladding steel using the GTAW, GMAW, and SAW processes. |
| NIWIRE 162 | ERNiCrFe-5 | A5.14 | N06062 | NIWIRE 162 is used for welding nickel chromium iron alloy (UNS N06600) to itself using the GTAW, GMAW, SAW, and PAW processes. The higher niobium content of the filler metal is intended to minimize cracking where high welding stresses are encountered, as in thick-section base metal. |
| Product Name | AWS/EN | UNS | Applications | |
| NW-Rod 141 | ENi-1 | A5.11 | W82141 | ENi-1 is used for welding of cast and wrought forms of commercially pure nickel. |
| NW-Rod 132 | ENiCrFe-1 | A5.11 | W86132 | ENiCrFe-1 is used for welding of nickel chromium iron alloy (UNS N06600&UNSN06601), for the welding of nickel chromium iron alloy and the surfacing of steel. The electrode can also be used at temperatures of 980℃, but oxidation resistance and strength decrease at temperatures above 820℃. |
| NW-Rod 133 | ENiCrFe-2 | A5.11 | W86133 | ENiCrFe-2 is used for welding nickel chromium iron alloys, 9% nickel steel, and a variety of dissimilar metal joints (involving carbon steel, stainless steel, nickel, and nickel-base alloys). |
| NW-Rod 182 | ENiCrFe-3 | A5.11 | W86182 | ENiCrFe-3 is used for welding and repairing nickel base alloys such as Inconel 601, Nimonic 75, Inconel 600. |
| NW-Rod 134 | ENiCrFe-4 | A5.11 | W86134 | ENiCrFe-4 is used for welding 9% nickel steel. Typical specifications for the 9% nickel steel base metal are ASTM A333, A334, A353, A522, and A553, all of which have UNS Number K81340. The strength of the weld metal is higher than that of the ENiCrFe-2 classification. |
| NW-Rod 112 | ENiCrMo-3 | A5.11 | W86112 | ENiCrMo-3 is used for welding nickel chromium molybdenum alloys to themselves and to steel, and for surfacing steel with nickel chromium molybdenum weld metal. |
| NW-Rod 276 | ENiCrMo-4 | A5.11 | W80276 | ENiCrMo-4 is intended for welding nickel-chromium-molybdenum alloys to itself and to most other nickel based alloys. |
| NW-Rod 002 | ENiCrMo-5 | A.5.11 | W80002 | ENiCrMo-5 is used for surfacing steel clad with a nickel chromium molybdenum alloy. The electrode is normally used only in the flat position. |
NW-Rod 620 |
ENiCrMo-6 | A5.11 | W86620 | ENiCrMo-6 is are used for welding 9% nickel steel used for transportation and storage tanks of liquid natural gas. |
| NW-Rod 455 | ENiCrMo-7 | A5.11 | W86455 | ENiCrMo-7 is used for welding nickel chromium molybdenum alloy (UNS N06455) to steel and to other nickel-base alloys. |
| Product Name | AWS | UNS | Applications | |
| NWCORE 625 | ENiCrMo3T1-1/4 | A5.34 | W86625 | NWCORE 625 is a flux-cored wire used for welding nickel chromium molybdenum alloys to themselves and to steels. |
| NWCORE 276 | ENiCrMo4T1-1/4 | A5.34 | W80276 | NWCORE 276 is intended for welding nickel-chromium-molybdenum alloys to itself and to most other nickel based alloys. |
| Product Name | AWS/EN | UNS | Applications | |
| Ni-Strip 82 | EQNiCr-3 | A5.14 | N06082 | Weldstrip 82 is the welding strip of filler metal 82, for the use with submerged arc and electroslag cladding processes. |
| Ni-Strip 625 | EQNiCrMo-3 | A5.14 | N06625 | EQNiCrMo-3 is a strip electrode for electroslag overlay welding (ESW). |
| Ni-Strip 60 | EQNiCu-7 | A5.14 | N04060 | EQNiCu-7 is a Monel 400 strip for submerged arc strip cladding. |
Stainless Steels
| Product Name | AWS/EN | UNS | Applications | |
| NIWIRE 3545Nb | 3545 Nb | EN ISO 14343 | NIWIRE 3545Nb is mainly used for joining and surfacing work on matching/similar heat resistant cast steel grades |
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| NIWIRE 2848W | NiCr28W5 | 2.4879 | NIWIRE 2848W is used for welding 2.4879 G-NiCr28W and G-X45NiCrWSi 48 28 to itself using the GTAW and GMAW processes. |
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| NIWIRE 2535Nb | G–X 40 NiCrSiNb 35 25 | EN ISO 14343 | 1.4853 | NIWIRE 2535Nb is used for joining and surfacing of heat resistant CrNi-cast steels (centrifugal- and mould cast parts). |
| NIWIRE 2209 | ER2209 | A5.9 | NIWIRE 2209 is used primarily to weld duplex stainless steels which contain approximately 22% chromium such as UNS S31803 and S32205. |
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| NIWIRE 385 | ER385 | A5.9 | NIWIRE 385 filler metal is used primarily for welding of ASTM B625, B673, B674, and B677 (UNS N08904) materials for the handling of sulfuric acid and many chloride containing media. |
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| Product Name | AWS/EN | UNS | Applications | |
| NW-Rod 2848 | E2848W | - | - | E2848W is a coated electrode for joining and restoring similar cast steels such as G-NiCr28W (2.4879). |
| NW-Rod 2535 | E2535Nb | - | - | E2535Nb is a coated electrode for joining and restoring similar steels such as G-X 40 NiCrSiNb 35 25 (1.4853). |
| NW-Rod 3331 | E33-31 | A5.4 | W33310 | E33-31 electrode is used for welding nickel chromium iron alloy (UNS R20033) to itself and to weld to carbon steel. |
| NW-Rod 2553 | E2553 |
A5.4 | W39553 | E2553-16 is a coated electrode depositing austenitic ferritic weld metal suitable for welding of duplex stainless steels which contain about 25% chromium.
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| NW-Rod 2209 | E2209 | A5.4 | W39209 | E2209-15/16/17 are used to weld duplex stainless steels. |
| NW-Rod 2593 | E2593 | A5.4 | W39593 | E2593 is suitable for welding of duplex stainless steels which contain about 25% chromium, weld metal deposited by E2593 electrode has increased tensile strength with improved resistance to pitting corrosive attack and to stress corrosion cracking. |
| NW-Rod 2595 | E2595 | A5.4 | W39595 | E2595 is used for welding of super duplex stainless steel, UNS S32550, S32750, S32760 and J93370, J93380, J93404, CD4MCuN(cast) and similar composition. |
| NW-Rod 3155 | E3155 | A5.4 | W73155 | E3155 electrode is used in aerospace applications including tailpipes and tail cones, afterburner parts, exhaust manifolds, combustion chambers, tubine blades, buckets and nozzles. |
| NW-Rod 16-8-2 | E16-8-2 | A5.4 | W36810 | E16-8-2 is used for welding stainless steel types 16-8-2, 3XXH, for high-pressure, high-temperature piping systems. |