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C48600 DZR Brass Rod, Bar & Forging Stock

Dezincification-Resistant Brass for Forged and Precision-Machined Industrial Components

Xi'an Dongmeng Group Co., Ltd. supplies UNS C48600 dezincification-resistant brass for industrial component manufacturers, metal distributors, forging operations, and precision machining projects.

C48600 is a wrought copper-zinc-tin alloy containing controlled additions of lead and arsenic. It combines improved resistance to dezincification with the processing advantages of leaded brass, making it a material candidate for engineered fittings, valve components, connectors, and forged or machined hardware in applications where the service conditions and lead-content requirements permit its use.

Dongmeng Group supports project-based sourcing of C48600 forging rods, bars, hot-pressed components, and custom CNC-machined parts, with material verification, dimensional inspection, processing coordination, and export packaging.

Request a quotation: Send your required material standard, dimensions, temper, quantity, and any drawings or testing requirements. Our team will review material suitability and production feasibility before quotation.

UNS C48600 is a dezincification-resistant wrought brass alloy belonging to the copper-zinc-tin alloy family. It contains approximately 59–62% copper, 1.0–2.5% lead, 0.30–1.5% tin, 0.02–0.25% arsenic, and zinc as the balance.

Its chemistry is engineered to address two important manufacturing and service considerations:

Dezincification resistance: Tin and controlled arsenic additions help improve resistance to selective zinc removal under suitable environmental and metallurgical conditions.

Machining efficiency: Lead assists chip breaking during machining, which can improve productivity when producing threaded connections, bores, valve details, and precision features.

Forging suitability: C48600 is listed in recognized ASTM specifications for forging stock and hot-pressed die forgings.

Application-dependent corrosion performance: Material selection should account for water chemistry, chloride content, temperature, mechanical loading, and relevant service regulations.

Although C48600 is sometimes marketed as Leaded Red Brass, DZR Brass is the preferred primary designation because it more accurately identifies this alloy's recognized classification.

 Improved Dezincification Resistance

Tin and arsenic additions make C48600 a candidate for components where selective zinc corrosion is a design concern. Qualification should be based on specified environmental conditions and corrosion-test criteria.

 Machinability for Complex Component Geometry

Its lead-containing composition can facilitate turning, boring, threading, and drilling, especially for parts with multiple machined features or repetitive production requirements.

 Forging and Secondary Processing

C48600 forging stock may be processed into engineered shapes before final machining, helping reduce machining allowance and material waste for suitable designs.

 Custom Dimensions and Part Specifications

We can evaluate drawings, stock dimensions, machined features, tolerance classes, surface requirements, and inspection plans for OEM projects.

 Traceable Material Supply

Chemical analysis, relevant mechanical testing, inspection documentation, and third-party verification can be incorporated into the purchase specification.

Dongmeng Group supports sourcing and processing of C48600 in forms suited to forging and subsequent machining. Dimensions shown below are reference inquiry ranges based on the existing product offering, not guaranteed stock sizes.

Important ordering information:

Dimensional tolerances: To be confirmed based on manufacturing process, section size, and drawing requirements.

Surface condition: As hot-worked, machined, polished, or another agreed finish.

Delivery length: Standard or cut-to-length, subject to production confirmation.

Material condition: Specified according to the applicable product standard and purchase order.

Special shapes: Subject to die availability, tooling evaluation, and minimum production quantity.

H7, H8, and H9 are dimensional tolerance designations; they should not be presented as universal standard tolerances for every C48600 bar or tube.

The chemical composition below follows the UNS C48600 designation published by the Copper Development Association.

Cu plus the sum of specified elements is 99.6% minimum according to CDA. Composition ranges are reference values; purchase acceptance must follow the specified standard and material certificate.

How Alloying Elements Affect Performance

Copper (Cu): Provides the principal metallic matrix and contributes to the alloy's corrosion behavior.

Zinc (Zn): Influences strength, manufacturing characteristics, and microstructure.

Tin (Sn): Helps enhance corrosion resistance, including resistance to dezincification.

Lead (Pb): Supports machining performance but restricts suitability in lead-controlled applications.

Arsenic (As): Acts as a dezincification inhibitor when present in the appropriate metallurgical system.

Mechanical properties vary with product form, temper, cross-sectional dimensions, and manufacturing history. The values below are illustrative room-temperature data published by CDA for specified rod/wire conditions, rather than universal guaranteed values for all C48600 forging stock.

Typical Mechanical Properties at 20°C

Engineering Note: Values are approximate conversions from the CDA reference data. Actual tensile and yield properties must be confirmed for the specified form and condition. ASTM B124/B124M forging stock and ASTM B283/B283M finished forgings may have different delivery conditions and acceptance requirements. H02/O60 reference data must not be represented as automatically satisfying those standards.

Physical properties are approximate engineering references derived from CDA data and are not contractual acceptance limits.

C48600 material selection should distinguish between forging raw material, finished forgings, material identification, and additional corrosion qualification.

The applicable ASTM references are supported by the copper alloy database and ASTM specifications. ISO 6509-1 defines the test procedure, while acceptance criteria are addressed separately.

Important: ASTM B16, B505, B584, and B121 should not be listed indiscriminately as interchangeable specifications for C48600 wrought forging stock. The standard must match both the alloy and the product form.

Dezincification is a selective corrosion mechanism in which zinc is removed from a copper-zinc alloy, potentially leaving a porous, copper-rich structure. Under unfavorable service conditions, this can reduce component integrity and durability.

C48600 incorporates controlled tin and arsenic additions to help improve resistance to this process.

Key Factors That Affect DZR Performance

Material composition: Chemical balance and alloying-element control influence corrosion behavior.

Microstructure: Phase distribution and processing history affect resistance to selective attack.

Water chemistry: Chloride level, pH, dissolved oxygen, and other chemical constituents can influence corrosion.

Operating temperature: Higher service temperatures can increase corrosion risk in some environments.

Processing condition: Forging, heat treatment, and subsequent processing may influence the final microstructure.

Recommended Dezincification Verification

For applications requiring documented DZR performance, buyers should specify ISO 6509-1 testing and the applicable acceptance criteria before ordering.

A typical project review may include material identity, representative sample selection, testing, and reporting of measured dezincification depth.

Important: The DZR designation does not mean immunity to all forms of corrosion. It also does not establish resistance to stress corrosion cracking or suitability for every water chemistry without separate verification.

Industrial Valve Components

Machined valve parts, connection details, stems, and selected forged components where mechanical loading, fluid compatibility, and applicable lead restrictions have been reviewed.

Industrial Fittings and Connectors

Threaded connectors, mechanical fittings, industrial adapters, and connection hardware requiring CNC machining and dimensional consistency.

Precision-Machined OEM Components

Threaded inserts, complex turned components, precision hardware, and custom parts requiring multiple machining operations.

Pumps and Industrial Fluid Systems

Selected pump accessories, housings, connectors, and fluid-handling components after verification of operating pressure, temperature, and medium compatibility.

Application Selection Boundaries

C48600 should not be selected solely because a component requires corrosion resistance.

For pressure-retaining parts, engineers should evaluate mechanical design, material specifications, soundness, testing, applicable pressure equipment requirements, and operating conditions.

For drinking-water contact, lead-content compliance must be evaluated separately.

Choosing between C48600 and alternative brass grades requires more than comparing nominal strength or machinability.

C48600 vs. C48500 Leaded Naval Brass

C48500 is a leaded naval brass containing copper, zinc, tin, and lead. C48600 additionally includes controlled arsenic in its registered composition and is designated as DZR brass. Where dezincification resistance is a procurement requirement, the relevant test evidence should be compared rather than assuming either grade is automatically acceptable.

C48600 vs. C37700 Forging Brass

C37700 is commonly considered for hot-forged and machined brass components. The decision between C37700 and C48600 should consider material specifications, corrosion exposure, forming requirements, component geometry, and total production cost.

C48600 vs. C83600 Cast Red Brass

C83600 is a cast copper alloy, whereas C48600 is a wrought brass alloy. They are not direct product-form equivalents. The selection depends on whether the component will be produced by casting, forging, or machining from wrought stock.

Selection recommendation: Specify the manufacturing process first, then evaluate corrosion requirements, mechanical properties, lead restrictions, and inspection criteria before selecting the material grade.

Dongmeng Group supports project-based processing and production coordination for C48600 brass components.

Precision CNC Machining: Turning, milling, drilling, boring, threading, and component finishing according to drawings.

Forging Stock Preparation: Material cutting, blank preparation, and sourcing of hot-worked stock for forging operations.

Custom Forged Parts: Feasibility review for hot-pressed forged components, including secondary machining.

Dimensional Customization: Drawing-based dimensions, machining allowances, geometric tolerances, and surface finish requirements.

OEM/ODM Support: Prototype evaluation, sample approval, specification review, and repeat-order coordination.

Production capability, tool availability, achievable tolerances, and lead time are evaluated against the required quantity, material condition, and final component geometry.

For industrial material buyers, documented product conformity is an essential part of supply reliability.

Dongmeng Group can coordinate the following inspection and verification requirements as applicable to the purchase specification:

Chemical composition verification: Alloy identification and chemistry testing against UNS C48600.

Mechanical property testing: Tensile or hardness testing when required by the applicable product standard.

Dimensional inspection: Diameter, width, length, straightness, and drawing-specific measurements.

Surface inspection: Visual examination for defects affecting downstream processing.

Dezincification testing: ISO 6509-1 testing when specifically required and agreed.

Finished component testing: Functional, pressure, or leak testing when applicable to an agreed component inspection plan.

Material documentation: Material test certificates, including EN 10204 3.1 where specified and supported by the agreed inspection arrangements.

Third-party inspection: Independent inspection can be arranged before shipment.

Inspection scope and acceptance criteria should be documented in the purchase order or approved quality plan.

Dongmeng Group supports export packaging designed to protect brass products during handling, storage, and international transport.

Packaging solutions may include protective wrapping, bundled bars, palletized shipments, wooden cases, and custom labeling.

For CNC-machined parts, protective separators or individually packed components can be considered to reduce surface damage.

Shipment arrangements can be evaluated under the agreed Incoterms, including EXW, FOB, or CIF, depending on the destination and contract.

For distributors and industrial buyers sourcing multiple material sizes, order consolidation and customized packing lists can be reviewed at quotation stage.

Industrial Material Knowledge

Our team supports material specification reviews, engineering discussions, and application-oriented product selection for industrial purchasing projects.

Customized Material Supply

From forging stock to drawing-based machined parts, we help buyers coordinate the correct product form and downstream processing requirements.

Quality Documentation

Chemical analysis, dimensional inspection, material traceability, and agreed third-party verification help support customer quality-control procedures.

B2B Export Experience

We support international purchasers with technical quotations, packaging coordination, shipping documents, and repeat-order communication.

Long-Term Procurement Support

For recurring orders, we can review material specifications, delivery schedules, batch consistency, and purchasing plans to help establish a repeatable supply process.

Q1. What is C48600 brass?

C48600 is a wrought dezincification-resistant brass alloy containing copper, zinc, tin, lead, and arsenic. It is intended for applications where its machining characteristics and resistance to dezincification are relevant to material selection.

Q2. What is the difference between C48600 and ordinary leaded brass?

C48600 incorporates controlled tin and arsenic additions associated with improved resistance to dezincification. Ordinary leaded brass grades may prioritize machining or forming characteristics without the same registered composition. Actual corrosion performance should be evaluated under the specified test conditions.

Q3. Is C48600 suitable for drinking-water systems?

C48600 contains 1.0–2.5% lead and should not automatically be specified for potable-water wetted parts. For the United States, applicable lead-free requirements generally use a maximum 0.25% weighted average lead content across wetted surfaces. Finished-product compliance, exemptions, and other local requirements must be assessed before material selection.

Q4. Which ASTM standards apply to C48600?

ASTM B124/B124M covers applicable copper-alloy forging rods, bars, and shapes, while ASTM B283/B283M covers copper-alloy hot-pressed die forgings. The correct specification depends on the supplied product form and purchase requirements.

Q5. Can C48600 be used for CNC-machined components?

Yes. Its lead-containing composition can support machining operations such as turning, drilling, boring, and threading. Achievable surface finish, tolerance, and machining performance depend on stock condition, tooling, part design, and cutting parameters.

Q6. Can Dongmeng Group supply customized C48600 forgings?

Custom hot-pressed forgings and secondary-machined components can be evaluated against customer drawings. Feasibility depends on tooling, required material condition, dimensions, quantity, and inspection requirements.

Q7. Is C48600 a cast brass alloy?

UNS C48600 is classified as a wrought brass alloy. It should not be represented as interchangeable with cast copper alloys such as C83600 or C84400. Finished components may be produced by forging and machining, subject to the selected manufacturing route.

Q8. How can dezincification resistance be verified?

ISO 6509-1 provides a test method for determining dezincification depth in copper-zinc alloys. Buyers should separately define the required acceptance criteria and arrange testing as part of the agreed inspection plan.

Q9. What sizes of C48600 brass rods and bars are available?

Round, hexagonal, and square forms can be evaluated for supply. Available sizes, tolerances, and material conditions depend on production feasibility and current sourcing availability. Please provide the required cross-section, dimensions, quantity, and standard for confirmation.

Q10. What documentation can be supplied?

Depending on the agreed order and available production route, documentation may include chemical analysis, mechanical-test results, dimensional inspection records, material identification, and EN 10204 3.1 inspection certificates.

Q11. Can C48600 be used in marine environments?

C48600 may be considered for selected components exposed to corrosive environments, but the DZR designation does not automatically establish suitability for prolonged seawater immersion or every marine application. Chloride exposure, operating temperature, stress, and corrosion testing must be considered.

Q12. What information is required for a C48600 quotation?

Please provide the alloy designation, applicable standard, product form, dimensions, temper or delivery condition, quantity, machining drawings if applicable, inspection requirements, delivery destination, and expected order schedule. This helps us evaluate technical requirements and prepare a relevant quotation.

Source C48600 DZR Brass for Your Next Industrial Project

Looking for a dependable C48600 brass supplier for forging stock, machined parts, or custom industrial components?

Contact Dongmeng Group with your specifications and drawings. We will help evaluate material suitability, available production options, inspection requirements, and export delivery arrangements.

Send your RFQ with:

UNS C48600 and required ASTM specification

Round, hex, square bar or forged component

Dimensions, material condition, and quantity

Drawings and tolerance requirements

Inspection and documentation requirements

Destination country and delivery schedule

Office Information

+86 15769214734

office@dongmjd.com

WhatsApp: +86 15769214734

Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province, China

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