ERNiCrMo-4 Nickel-Chromium-Molybdenum MIG Wires

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ERNiCrMo-4 Nickel-Chromium-Molybdenum MIG Wires

INCONEL C-276

GB/T 15620 SNi6276 | AWS A5.14

1. Chemical Composition (wt.%)

	C	Mn	Fe	P	S	Si	Cu
GB/T	≤0.02	≤1.0	4.0~7.0	≤0.040	≤0.03	≤0.08	≤0.50
AWS	≤0.02	≤1.0	4.0~7.0	≤0.040	≤0.03	≤0.08	≤0.50
Example	0.0098	0.42	4.98	0.0017	<0.001	0.052	0.02

	Ni	Mo	Cr	W	Co	V
GB/T	≥50.0	15.0~17.0	14.5~16.5	3.0~4.5	≤2.5	≤0.35
AWS	≥50.0	15.0~17.0	14.5~16.5	3.0~4.5	≤2.5	≤0.35
Example	58.7	15.97	15.71	3.84	0.02	0.12

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	375	815	55	-

3. Description and Applications

1. ERNiCrMo-4 is a nickel-chromium-molybdenum alloy solid welding wire with a nominal composition of 57Ni-16Cr-15.5Mo-5.5Fe-3.5W.

It offers a stable arc, smooth bead appearance, good weld pool fluidity, favorable mechanical properties, and resistance to pitting and crevice corrosion.

2. Suitable for welding HASTELLOY C-276 and other nickel alloys, as well as weld overlay on carbon steel.

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 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： ERNiCrMo-4 Nickel-Chromium-Molybdenum MIG Wires

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