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China, Chinese Durable RBCuZn-D Filler Welding Rod for Heavy Industrial Use1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Welding Soldering SuppliesWelding WireHeavy Industrial RodDurable Welding Rod
JIANGSU JIUZHOU NEW MATERIAL TECHNOLOGY CO., LTD.
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Product Description RBCuZn-D Brass Welding/Brazing Filler Metal: Unveiling the Technical Marvel1. Classification & OverviewAWS A5.8 Designation: RBCuZn-D (a.k.a. the renowned 'Naval Brass')Material Type: A sophisticated Copper-Zinc alloy (Cu-Zn-Sn system) infused with tin for superior corrosion resistance.Key Use: Expertly crafted for seamless joining of copper alloys, steel, and cast iron in environments where seawater/chemical corrosion resistance is paramount.2. Chemical CompositionTable 1: Composition (Weight %)CuZnSnFePbSiImpurities58.0-61.0%Rem.0.5-1.5%0.25-1.0%≤0.10%0.04-0.25%≤0.50% totalKey Elements:Sn (Tin): Provides exceptional resistance to seawater dezincification.Fe (Iron): Boosts strength and wear resistance.Low Pb/Si: Ensures minimal hot cracking during welding.3. Mechanical PropertiesAs-Deposited:Tensile Strength: A robust 410-510 MPaHardness: 85-105 HB, ideal for durability.Melting Range: 885-900°C (solidus-liquidus), ensuring optimal working conditions.Corrosion Resistance: Exemplary in seawater, marine atmospheres, and mild acids/alkalis.4. ApplicationsMarine Engineering: Ideal for ship propellers, seawater piping, and condenser tubes.Industrial: Perfect for heat exchangers, pump components, and valve bodies.Repair: Joining/building up manganese bronzes and high-tensile brasses.5. Welding & Brazing GuidelinesProcess Compatibility:Oxy-Acetylene Welding (OAW): The preferred choice for impeccable cast iron repairs.Gas Tungsten Arc Welding (GTAW/TIG): Designed for precision joints (employs DCEN polarity).Parameters:Flux Requirement: AWS Type FB3-A or borax-based flux (essential to avert oxidation).Preheat: 150-260°C (crucial for thick sections/cast iron).Interpass Temp.: ≤200°C to prevent Zn fuming.6. Handling & SafetyZinc Fume Hazard: Employ the finest in worker protection by utilizing local exhaust ventilation (LEV) systems alongside OSHA-approved respirators to ensure safe and healthy working conditions.Storage: Maintain product integrity by storing in sealed containers with humidity levels below 40% to effectively prevent oxidation and preserve quality.Form Availability: Available in convenient rods ranging from 3-6 mm in diameter, as well as versatile coils for various application needs.7. Comparison to Similar FillersFillerCompositionKey Use CaseRBCuZn-DCu-Zn-Sn-FeMarine corrosion resistanceRBCuZn-CCu-Zn-Si (no Sn/Fe)General-purpose brazingERCuSn-ACu-Sn (phosphor bronze)Bronze welding, bearingsCritical Note:RBCuZn-D is not interchangeable with silicon bronzes such as ERCuSi-A or nickel alloys. It is uniquely designed for exclusive use with Cu-Zn base metals or in dissimilar joints where seawater resistance is imperative.For comprehensive specifications, please refer to AWS A5.8:2021 (Specification for Brazing Filler Metals).
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