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ERNiCrMo-4 Nickel Alloy Welding Wire for Superior Corrosion Resistance1
Welding Soldering Supplies, ERNiCrMo-4, Ni Base
JIANGSU JIUZHOU NEW MATERIAL TECHNOLOGY CO., LTD.
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Product Description ERNiCrMo-4 is a nickel-chromium-molybdenum welding filler metal designed for high-performance applications requiring exceptional corrosion resistance. Below is a detailed technical overview based on industry standards and manufacturer specifications:1. Composition & SpecificationsChemical Composition:Nickel (Ni): ≥50%Chromium (Cr): 14.5-16.5%Molybdenum (Mo): 15-17%Tungsten (W): 3.0-4.5%Iron (Fe): 4.0-7.0%Low impurities (C ≤ 0.02%, S ≤ 0.015%, P ≤ 0.02%) .Standards Compliance: AWS A5.14 (welding wire), AWS A5.11 (covered electrode) .2. Physical & Mechanical PropertiesPhysical:Density: 8.9 g/cm3Melting Range: 1,325-1,370°C .Mechanical:Tensile Strength: ≥690 MPaYield Strength: ≥400 MPaElongation: ≥22% (typical values: 720 MPa tensile, 560 MPa yield, 40% elongation) .Metallurgical Structure: Face-centered cubic (FCC) austenitic matrix .3. Key ApplicationsPrimary Use: Welding Hastelloy C-276 and similar Ni-Cr-Mo alloys 36.Dissimilar Metal Joining:Nickel alloys ? Stainless steel/low-alloy steelNickel alloys ? Carbon steel .Cladding & Repair: Surface overlay on steel to enhance corrosion resistance .Industries: Chemical processing, oil/gas, aerospace, flue gas desulfurization (FGD), and cryogenic (e.g., -196°C) services.4. Welding Process GuidelinesMethods: TIG (GTAW), MIG (GMAW), SMAW (for ENiCrMo-4 variant) .Parameters:Preheat: Electrodes baked at 350°C for 1 hour (low-hydrogen practice) .Gas Shielding: ≥99.99% pure argon; flow rate 10-15 L/min.Current: DC+ polarity; 70-140 A (varies with diameter).Critical Practices:Clean base metal (remove rust/oil/moisture).Low heat input and interpass temperature to avoid cracking.5. Product Forms & AvailabilityWire:Diameters: 0.6-3.2 mm (spooled for MIG/TIG).Electrode (SMAW):Diameters: 1.6mm-5.0 mm .6. Performance AdvantagesCorrosion Resistance: Superior performance in:Acidic media (sulfuric, hydrochloric acids)Chloride-induced pitting/crevice corrosion.Crack Resistance: Low susceptibility to stress-corrosion cracking (SCC) due to high Mo/W contentDetailed PhotosProduct ParametersAWS A5.4ERNi-1ERNiCu-7ERNiCr-3ERNiCrFe-5ERNiCrMo-3ERNiCrMo-4ERNiFeCr-1Tensile Strength(N/mm2)514541671651819729602Elongation(%)44394145394533C0.020.020.030.060.0370.0120.02Mn0.243.213.050.510.060.50.5Si0.340.680.120.140.110.010.11P0.341.532.41.993.370.230.81Ti0.341.53////0.81S0.140.471.416.823.95.428.24Cr//19.8614.7921.5515.922.61Ni95.565.6872.875.0661.65REM42.91Cu0.01REM0.030.03///Mo0.01REM0.030.038.49162.67Nb/ 2.41.993.37/ V/ 0.23 Fe0.140.471.416.823.95.428.24CertificationsCE & ISOPackaging & Shipping1kg,5kg,15kg,20kg,25kg/spool(tube) Our AdvantagesWe are a Manufacture that can produce as your speical requests
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