MW-52 (ERNiCrFe-7) Nickel Alloy Welding Wire

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Description
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Product Overview

MasterWeld MW-52 is a high-performance nickel-chromium-iron solid welding wire designed for applications requiring superior corrosion resistance and mechanical integrity under high-stress and high-temperature conditions.

Product Name: MasterWeld MW-52
Classification:
- AWS A5.14: ERNiCrFe-7
- EN ISO 18274: S Ni 6052 (NiCr30Fe9)
- Werkstoff-Nr.: 2.4642
Wire Type: Solid nickel-base alloy
Welding Processes: MIG (GMAW), TIG (GTAW)
Shielding Gas: Argon (I1, per EN ISO 14175)

Typical Chemical Composition (wt%)

Element	Content (%)
Nickel (Ni)	Balance
Chromium (Cr)	29.5
Iron (Fe)	9.0
Molybdenum (Mo)	0.4
Manganese (Mn)	0.8
Silicon (Si)	0.4
Carbon (C)	0.03
Niobium (Nb)	0.02
Titanium (Ti)	0.5
Phosphorus (P)	<0.01
Sulfur (S)	<0.01

Mechanical Properties

Condition	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Hardness
As Welded	770	870	16	16 HRc
Post-Weld Heat Treated (580°C ±15°C, 1 hour)	260	580	30	200 HB

Key Applications

MasterWeld MW-52 is ideal for:

Welding of nickel-chromium-iron alloys
Joining dissimilar metals (nickel alloys to stainless or low-alloy steels)
Corrosion-resistant cladding and overlay welding

Commonly used in:

Power generation and nuclear sectors
Marine engineering
Chemical and petrochemical processing

Key Features

High chromium content for resistance to oxidizing environments
Excellent high-temperature strength and creep resistance
Outstanding ductility and toughness in both as-welded and heat-treated conditions
Minimizes risk of stress corrosion cracking in welded joints

Packaging Options

Diameters available (mm)	Packaging Type	Weight (kg)
0.8, 1.0, 1.2, (GMAW) 1.6, 2.4, 3.2 (GTAW)	K300 Spools or straight lengths (1000mm)	15 or 5(GTAW)

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