HS221 Copper Alloy Welding Rod

 

I. Core Advantages of the Product

Guided by addressing the actual needs of industrial welding, the HS221 copper alloy welding rod has formed differentiated competitiveness in key performance dimensions:

 

: The brazed joints can resist long-term friction and corrosion from corrosive media (such as acid-base environments). Suitable for scenarios like mechanical transmission components and pipeline connections, it extends the service life of workpieces by more than 30% and reduces the annual maintenance costs of enterprises.

: The deposited metal has excellent strength, which can withstand stress impacts during equipment operation, prevent joint cracking and deformation, ensure the structural safety of welded parts, and meet the strict requirements of precision manufacturing for connection reliability.

: The surface of the welding rod is clean and smooth, and can be used directly without additional pretreatment (such as rust removal and grinding), shortening the welding preparation time and improving work efficiency by 25%. When using oxyacetylene brazing, rapid heating with an oxidizing flame can reduce the evaporation of zinc, avoid porosity defects, and ensure welding quality from the source of the process.

II. Detailed Technical Parameters

1. Executive Standards

	HS221
	AWS A5.8
	BS EN14640 Standard for Non-Ferrous Metal Brazing Filler Metals

2. Chemical Composition of Deposited Metal (Mass Fraction)

	56%-62%
	0.5%-1.5%
	0.1%-0.5%
	<=0.01%
	<=0.05%
	<=0.5%

3. Physical and Process Parameters

: Approximately 900℃, suitable for medium-to-high temperature brazing scenarios, avoiding overheating and deformation of the base metal due to high temperatures.

: 1.6mm-5.0mm (multiple specifications available), covering the welding needs of precision small parts (such as electronic components) to large-scale components (such as industrial pipelines).

III. Suitable Processes and Application Scenarios

1. Compatible Brazing Processes

		On-site maintenance and welding of small workpieces (such as copper water pipe joints and hardware accessory assembly)
High-Temperature Brazing	High joint strength and high-temperature resistance
		Mass welding of small-to-medium batch production (such as electronic components and precision hardware)

2. Core Application Fields

: Connection of cast iron machine tool components and welding of copper alloy gears.

: Brazing of copper water supply pipes and industrial pipeline joints (ensuring sealing and pressure resistance).

: Connection of brass accessories with dissimilar materials such as stainless steel and copper, expanding the design space of products.

IV. Packaging, Transportation and Supply Guarantee

1. Packaging Specifications

Small-Batch Packaging	5kg/roll, 10kg/roll	Wrapped in shrink film, moisture-proof and dust-proof, suitable for short-term production or small-batch trial use
Large-Batch Packaging	500kg/wooden case	High-strength wooden case, pressure-resistant and damage-proof, suitable for long-distance transportation and large-scale production inventory

2. Supply Services

: Delivery is completed within 25 days after order confirmation to ensure the smooth progress of the production plan.

: Wholesale and customization are supported, and cost-effective bulk solutions are provided to meet the needs of enterprises of large, medium and small sizes.

V. Product Consultation and Procurement

: HS221 Copper Alloy Welding Rod, Copper Alloy Welding Rod Manufacturer, Copper Alloy Welding Rod Wholesale, Cost-Effective Copper Alloy Welding Rod
: Hangzhou Dayang Welding Materials Co., Ltd. guarantees quality and supports national distribution. Welcome to consult and purchase!

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