ERNiCr-3 Nickel-Chromium Alloy MIG Wires

Category： MIG Wires

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ERNiCr-3 Nickel-Chromium Alloy MIG Wires

For INCONEL 600

GB/T 15620 SNi6082 | AWS A5.14

1.Chemical Composition (wt.%)

	C	Mn	Fe	P	S	Si	Cu	Ni	Cr	Ti	Nb
GB/T	≤0.10	2.5-3.5	≤3.0	≤0.03	≤0.015	≤0.5	≤0.5	≥67.0	18-22	≤0.75	2~3
AWS	≤0.10	2.5-3.5	≤3.0	≤0.03	≤0.015	≤0.5	≤0.5	≥67.0	18~22	≤0.75	2~3
Example	0.017	2.95	1.11	<0.003	<0.003	0.031	0.021	72.4	20.31	0.47	2.53

2. Mechanical properties of all-weld metal – typical values

	Proof Stress Rp0.2 (MPa)	Tensile Strength Rm (MPa)	Elongation A (%)	Impact Energy J / °C
GB/T	-	-	-	-
AWS	-	-	-	-
Typical value	-	710	39	170/-196

3. Description and Applications

1. ERNiCr-3 is a nickel-chromium alloy solid welding wire. The source lists a nominal composition of 72Ni-20Cr-3Mo-2.5Nb+Ta.

It offers smooth bead appearance, good weld pool fluidity, favorable mechanical properties, corrosion and oxidation resistance, and elevated-temperature creep strength.

2. Suitable for welding nickel-chromium-iron alloys, including INCONEL 600/601, creep-resistant joints, dissimilar joints with carbon or stainless steels, and weld overlay applications.

X-ray radiographic inspection: Grade I

4. Available Diameters

	MIG
Diameter (mm)	1.0、1.2、1.6

5. Welding Precautions

1. Remove all oil, rust, lubricants, moisture, marker ink, and other surface contaminants from the weld area before welding.

2. Keep heat input as low as practicable to reduce the risk of hot cracking. A low interpass temperature, preferably below 100°C, is recommended.

3. For outdoor welding, provide wind protection when wind speed exceeds 1.5 m/s; inadequate shielding gas coverage may cause weld bead deterioration and porosity.

Keywords： ERNiCr-3 Nickel-Chromium Alloy MIG Wires

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