ERNiCrMo-4 (often called Hastelloy C-276 filler) is a high-performance Nickel-Chromium-Molybdenum welding wire/rod used for TIG welding, offering superb resistance to pitting, crevice corrosion, and stress cracking in severe environments like chemical plants, providing strong, reliable welds for dissimilar metals and C-276 alloys.
What it is:
AWS Specification: ERNiCrMo-4 (AWS A5.14).
Alloy Type: A nickel-based alloy with chromium, molybdenum, and tungsten.
Common Name: Often associated with Hastelloy C-276 or Alloy C-276.
Key Characteristics & Uses:
Corrosion Resistance: Excellent in both oxidizing and reducing conditions, plus outstanding resistance to pitting and crevice corrosion.
Applications: Ideal for welding chemical processing equipment, marine environments, and high-temperature applications.
Versatile: Used for joining nickel alloys, stainless steels, and for surfacing/cladding steel.
Welding Process: Primarily used in TIG (Gas Tungsten Arc Welding) and MIG.
Why it's Used:
It creates strong, durable welds in demanding applications where standard steels or other alloys would fail.
In short, "ERNiCrMo-4 TIG" refers to the specific type of nickel alloy filler metal used with the TIG welding process for tough, corrosive, and high-temperature jobs.
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