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Welding Consumables >> Nickel Based Welding Consumables >> ERNiCrMo-3
 

Description
ERNiCrMo-3 contains low iron (Fe less than 1%) and is used for welding of nickel-chromium-molybdenum alloys, also for cladding and welding dissimilar based metals such as Ni-Cr-Mo alloys to stainless and carbon steels, The Ni-Cr-Mo alloy system provides excellent resistance to oxidizing and reducing enviroments. The high molybdenum content provides good stress. Pitting and crevice corrosion resistance.. It can equivalent to: Oxford Alloy 625 FM625 Techalloy 625.

Applications
ERNiCrMo-3 can be used for welding of dissimilar joints between nickel-chrome-molybdenum alloys and stainless or carbon or low alloy steels. Also be used for cladding as well as for spraying applications. ERNiCrMo-3 with low iron (less than 0.8%) is preferred in various applications where dilution of iron must be controlled to the minimum. The high alloy content of ERNiCrMo-3 enables it to withstand highly corrosive environments. Due to its molybdenum content, this alloy offers resistance to stress corrosion cracking, pitting, and crevice corrosion.

Product Details
Chemical composition

Grade Chemical composition(%)
ERNiCrMo-3 C Si P Ni Mn S Nb+Ta
0.1 0.5 0.02 58.0 0.5 0.015 3.5~4.5
Al Ti Cr Mo Fe Cu others
0.4 0.4 20~23 8.0~10 5.0 0.5 0.5

Mechanical properties

Tensile Strength Yield Strength Elongation
790 Mpa 590 Mpa 27%

Welding paramaters

Process Diameter Voltage Amperage Gas
TIG .045     (1.2mm) 13-16 80-110 100% Argon
1/16     (1.6mm) 14-18 90-130 100% Argon
3/32     (2.4mm) 15-20 120-175 100% Argon
1/8      (3.2mm) 15-20 150-220 100% Argon
MIG .045     (1.2mm) 28-32 180-220 75% Argon + 25% Helium
1/16     (1.6mm) 29-33 200-250 75% Argon + 25% Helium
3/32     (2.4mm) 28-30 275-350 Suitable Flux may be used
SAW 1/8      (3.2mm) 29-32 350-450 Suitable Flux may be used
5/32     (4.0mm) 30-33 400-550 Suitable Flux may be used
Specifications
AWS 5.14 Class ERNiCrMo-3 / ASME SFA 5.14 Class ERNiCrMo-3 , UNS N06625  Werkstoff Nr. 2.4831  ISO SNi6625.
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