| Customization: | Available |
|---|---|
| Type: | Rolling Wire |
| Material: | CO2 |
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RBCuZn-D Brass Welding/Brazing Filler Metal: Technical Summary Unlock the potential of advanced metal bonding with our RBCuZn-D Brass Welding/Brazing Filler Metal!
AWS A5.8 Designation Proudly holding the AWS A5.8 designation, this product stands as a testament to quality and reliability.: RBCuZn-D (formerly known as "Naval Brass") Renowned in the industry, RBCuZn-D, once famously called "Naval Brass," continues to impress with its legacy.
Material Type Explore the unique material composition that makes our filler wire stand out in the market.: Copper-Zinc alloy (Cu-Zn-Sn system) with added tin for enhanced corrosion resistance. Crafted from a sophisticated Copper-Zinc alloy enhanced with tin, it guarantees unmatched corrosion resistance.
Key Use Discover the primary applications where this product excels and outperforms.: Joining Specifically designed for joining, copper alloys copper alloys,, steel steel,, and cast iron cast iron, where seawater/chemical corrosion resistance is critical. Perfect for scenarios demanding superior resistance to seawater and chemical corrosion.
Table 1: Composition (Weight %) Examine the detailed breakdown of elemental compositions that define its performance.
| Cu | Zn | Sn | Fe | Pb | Si | Impurities |
|---|---|---|---|---|---|---|
| 58.0-61.0% | Rem. | 0.5-1.5% | 0.25-1.0% | ≤0.10% | 0.04-0.25% | ≤0.50% total |
Key Elements Unveil the elemental champions that fortify this filler metal's properties.:
Sn (Tin) Sn (Tin): The hero enhancing seawater dezincification resistance.: Improves seawater dezincification resistance.
Fe (Iron) Fe (Iron): Boosting strength and wear resistance to unparalleled levels.: Enhances strength and wear resistance.
Low Pb/Si Low Pb/Si: Ensuring minimal hot cracking during the welding process.: Minimizes hot cracking during welding.
As-Deposited As-Deposited: Understanding the material's natural state post-deposition.:
Tensile Strength Tensile Strength: Exhibiting a superior range of 410-510 MPa.: 410-510 MPa
Hardness Hardness: Impressive levels measured at 85-105 HB.: 85-105 HB
Melting Range Melting Range: Transition smoothly between solid and liquid phases at 885-900°C.: 885-900°C (solidus-liquidus)
Corrosion Resistance Corrosion Resistance: Offers exceptional protection in harsh environments.: Excellent in seawater seawater,, marine atmospheres marine atmospheres,, and mild acids/alkalis. and mild acids or alkalis.
Marine Engineering Marine Engineering: Perfect for propellers, seawater pipes, and more.: Ship propellers, seawater piping, condenser tubes.
Industrial Industrial: Ideal for heat exchangers and vital component assemblies.: Heat exchangers, pump components, valve bodies.
Repair Repair: Revitalize manganese bronzes and high-tensile brasses with ease.: Joining/building up manganese bronzes manganese bronzes and high-tensile brasses high-tensile brasses.
Process Compatibility Process Compatibility: Ensuring seamless integration with preferred welding processes.:
Oxy-Acetylene Welding (OAW) Oxy-Acetylene Welding (OAW): The method of choice for cast iron repairs.: Preferred for cast iron repairs.
Gas Tungsten Arc Welding (GTAW/TIG) Gas Tungsten Arc Welding (GTAW/TIG): Precision at its finest, using DCEN polarity.: For precision joints (use DCEN polarity).
Parameters Key Parameters: Adhere to these critical metrics for optimal results.:
Flux Requirement Flux Requirement: AWS Type FB3-A or borax-based for oxidation prevention.: AWS Type FB3-A or borax-based flux (mandatory to prevent oxidation).
Preheat Preheat: Ensure ideal conditions at 150-260°C for thick sections.: 150-260°C (for thick sections/cast iron).
Interpass Temp. Interpass Temperature: Maintain ≤200°C to avoid Zn fuming.: ≤200°C to avoid Zn fuming.
Zinc Fume Hazard: For optimal safety, it is imperative to use local exhaust ventilation (LEV) along with OSHA-approved respirators. This combination ensures a safe working environment by effectively mitigating the risks associated with zinc fumes.
Storage: Ensure storage in sealed containers with humidity levels below 40% to prevent oxidation and maintain the integrity of the welding wire.
Form Availability: Available in versatile forms such as rods with diameters ranging from 3 to 6 mm, as well as convenient coil options, catering to diverse application needs.
| Filler | Composition | Key Use Case |
|---|---|---|
| RBCuZn-D | Cu-Zn-Sn-Fe | Marine corrosion resistance |
| RBCuZn-C | Cu-Zn-Si (no Sn/Fe) | General-purpose brazing |
| ERCuSn-A | Cu-Sn (phosphor bronze) | Bronze welding, bearings |
Critical Note:
RBCuZn-D is not interchangeable with other materials like silicon bronzes (e.g., ERCuSi-A) or nickel alloys. It is specifically engineered for exclusive use with Cu-Zn base metals or in dissimilar joints that demand superior seawater resistance.
For full specifications, refer to AWS A5.8:2021 (Specification for Brazing Filler Metals),a comprehensive guide ensuring adherence to industry standards.
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