Leaded Bronze Casting and Machined Casting Parts
Rate: US$ 17.90/Kg
Cable Glands India manufactures leaded bronze casting and machined parts for electrical OEMs, EPC contractors, power utilities and industrial distributors. This leaded red brass, semi-red brass and leaded tin bronze range supports drawing-based enquiries for bushes, bearing sleeves, valve bodies, pump fittings and machined industrial components. Supply can be specified as a cleaned casting, a rough-machined blank or a finished component. Manufacturing is based in Jamnagar, Gujarat, India, with enquiries served across India, Europe, the Middle East, Africa and North America. The material, casting route, machining scope and inspection requirements are agreed against the application.
Detailed product overview
A family of cast copper alloys
Leaded bronze casting and machined casting parts cover several different copper alloys, not one universal composition. Red brasses contain zinc as well as tin and lead; bearing bronzes generally use a copper-tin matrix with dispersed lead. This distinction matters when a purchase order describes a component only as gunmetal, red bronze or bearing metal. A valve body and a shaft bush may share a bronze colour while needing different chemistry, mechanical properties and inspection. This range brings the casting blank and finished machining requirements together so that buyers can define the complete component before requesting production.
Selecting grades by component duty
C83300 enquiries often concern relatively high-copper cast hardware; C83600 is associated with composition bronze fittings. C84400, C83800 and C84800 occupy different red-brass or semi-red-brass composition windows. C93200, C93700 and C93800 belong to the leaded bearing-bronze group. Selection should begin with the equipment drawing, service medium and sliding or pressure duty. Increasing lead content is not a general strength upgrade. A grade comparison can narrow choices, but a substitution should preserve the requirements used by the original designer, including corrosion conditions and the finished part acceptance criteria.
From casting pattern to machined assembly
The procurement scope can range from cleaned cast blanks to components with finished bores, threads, flange faces and lubrication grooves. Combining these operations requires clear datums and a realistic machining allowance. Pattern dimensions compensate for casting shrinkage, while machining dimensions describe the delivered component. These two drawings should remain distinguishable even when one supplier coordinates both stages. Electrical OEMs, EPC contractors and utility maintenance teams benefit from identifying mating parts early: the housing bore, shaft journal, gasket face and fastener arrangement determine which dimensions control assembly and which can remain as-cast.
Cast blanks, rough machining and finished parts
For leaded bronze components, the delivery condition changes both the manufacturing plan and the inspection scope. A cleaned casting normally retains stock for later machining, whereas a finished part must meet the specified functional dimensions. Rough machining can expose areas that need examination before final finishing. Identify where machining allowance is required and where excess material would interfere with assembly. This is particularly important for bushes, bearing sleeves, valve bodies, pump fittings and machined industrial components. The quotation should distinguish pattern or die work from recurring component operations, giving the buyer a clear basis for comparing prototype and repeat-order costs.
Drawing control and mating components
The drawing for leaded bronze parts should identify a revision, material standard, datums and critical features. A casting outline without a tolerance scheme is insufficient for a fitted component. Bores, bolt circles, sealing lands and thread positions should be dimensioned from functional references. Where several parts are assembled together, their combined tolerances may matter more than an isolated dimension. Share the mating-part requirements when they influence fit or contact. For a replacement order, record deliberate design changes separately from measurements taken from a used sample, especially where wear or previous repair has altered the original surface.
Key features
- Specified alloy identity with heat traceability
- As-cast, rough-machined and finish-machined supply options
- Drawing-based bores, threads, faces, grooves and mounting features
- Casting process evaluation for geometry and order quantity
- Inspection scope agreed before production
- Industrial supply from Jamnagar with export enquiries supported
Controlled alloy chemistry
Leaded bronze supply starts with identified charge material and a controlled specification. Ingot, approved returns and alloy additions should be kept traceable, particularly where visually similar grades are processed. A heat analysis verifies composition; it does not by itself demonstrate the quality of every cast section. The purchase order should identify the required chemistry report and any restrictions on residual elements. When remelt material is used, its suitability belongs in the foundry control plan. Retaining material identity through machining helps ensure that the finished component remains linked to its original inspection evidence.
Machined bores and bearing surfaces
Bored leaded bronze parts require a defined relationship between the bore, outside diameter and mounting faces. Turning a diameter to size does not automatically establish concentricity or perpendicularity. State the intended measurement condition, especially for thin sleeves or split liners that can distort under clamping. Bearing surfaces also need an appropriate finish and edge treatment. If the part is pressed into a housing, identify whether sizing occurs before or after installation. The machining and inspection sequence can then follow the functional fit instead of checking an unloaded component in an unrelated condition.
Threads, sealing lands and flange faces
Threaded leaded bronze components need the connection standard, gauge requirement and sealing mechanism to be stated clearly. A tapered pipe thread, a parallel thread with gasket and a metal-to-metal seat are different interfaces. Casting stock should allow full cleanup at the sealing surface without reducing wall thickness below the design requirement. Specify burr removal around intersecting holes and protect finished threads during handling. For pressure duty, dimensional acceptance and leakage testing serve different purposes. Both should be defined where necessary, along with any restrictions on repairs or post-casting treatments.
Wear parts and service compatibility
Material selection for leaded bronze wear parts should account for the mating surface, lubricant, contamination and operating conditions. A harder alloy is not always the better bearing choice, and lead content does not establish a maintenance-free running surface. Fluid-contact components need a separate assessment of medium, temperature and flow. Provide realistic duty information instead of a broad description such as heavy duty or corrosion resistant. This allows the component designer to decide whether the selected grade is appropriate and whether a different bronze family deserves comparison before tooling and machining are committed.
Inspection records and batch identification
Traceable leaded bronze parts should carry the agreed identity through casting, machining, inspection and dispatch. The required marking may be on the part, an attached tag or the packaging, depending on size and the drawing. Certificates should reference the relevant order and heat rather than an unrelated material sample. Dimensional reports are most useful when they follow a numbered drawing and identify the measuring condition. Agree whether individual or batch records are needed, and identify any witness points early. These practical details reduce uncertainty when components arrive at an OEM assembly line or project store.
Technical specifications
| Parameter | Supply / engineering requirement |
|---|---|
| Brand | Cable Glands India |
| Material | Leaded bronze — leaded red brass, semi-red brass and leaded tin bronze |
| Category | Metal Casting > Leaded Bronze Casting and Machined Casting Parts |
| Manufacturing location | Jamnagar, Gujarat, India |
| Forms | Cast blanks, shaped castings, sleeves, rings and machined components |
| Dimensions and weight | Drawing-specific; feasibility reviewed at enquiry |
| Tolerance and finish | As-cast and machined requirements stated separately |
| Mechanical properties | Specify minima for the grade, casting process and ordered condition |
| Heat treatment | Only when specified and technically appropriate; no generic hardening claim |
| Inspection | Chemical, dimensional and agreed application-specific tests |
| Delivery | Quantity, packing and schedule established with the quotation |
Raw material grades in this product family
| UNS grade | Material family | Typical enquiry focus |
|---|---|---|
| C83300 | leaded red brass | connector bodies, cast contact hardware, threaded fittings and mechanical brackets |
| C83600 | leaded red brass / composition bronze | valve bodies, pump housings, threaded unions, flanges and water-system fittings |
| C84400 | leaded semi-red brass | valve bodies, threaded adapters, general fittings and machined equipment hardware |
| C83800 | leaded red brass / hydraulic bronze | hydraulic component bodies, machined adapters, pump fittings and general hardware |
| C84800 | leaded semi-red brass / plumbing goods brass | threaded fittings, plumbing hardware, adapter bodies and machined general cast components |
| C93200 | leaded tin bearing bronze | plain bearings, flanged bushes, thrust washers, sleeves and machined bearing fittings |
| C93700 | leaded tin bearing bronze | loaded bearing bushes, shaft sleeves, bearing liners and thrust components |
| C93800 | high-leaded tin bronze | bearing liners, wear plates, pump sleeves and conformable sliding components |
International equivalent and related casting grades
| UNS | Common designation | BS / EN comparison | Interpretation |
|---|---|---|---|
| C83300 | CDA 833 | No direct EN/BS match asserted | Specify UNS C83300 |
| C83600 | 85-5-5-5 / SAE 40 | LG2 / CC491K | CuSn5Zn5Pb5-C / Rg5 family |
| C84400 | CDA 844 / valve metal | LG1 / CC490K: approximate only | Compare lead and zinc limits |
| C83800 | CDA 838 / hydraulic bronze | No direct EN/BS match asserted | Do not substitute C83810 |
| C84800 | CDA 848 / plumbing goods brass | No direct EN/BS match asserted | Grade-specific approval required |
| C93200 | SAE 660 / CDA 932 | CC493K / CuSn7Zn4Pb7-C | Rg7 comparison family |
| C93700 | 80-10-10 / SAE 64 | LB2 / CC495K | CuSn10Pb10-C comparison |
| C93800 | SAE 67 / CDA 938 | LB1 / CC496K | CuSn7Pb15-C comparison |
Cross-references are comparison aids, not blanket equivalence certificates. Check chemical limits, mechanical requirements, casting method and standard edition before substitution. National grades from JIS, IS, DIN or other systems should be supplied with the complete specification when required; no unverified one-to-one match is implied. C84400/LG1 is specifically an approximate comparison.
Product types and variants
| Variant | Drawing details to provide |
|---|---|
| Plain and flanged bushes | Bore, outside diameter, length, flange and housing fit |
| Sleeves, liners and rings | Wall thickness, concentricity and cleanup allowance |
| Valve or pump bodies | Cavities, sealing lands, ports and pressure-boundary requirements |
| Threaded fittings and adapters | Thread standard, engagement, wrench flats and seal arrangement |
| Wear plates and thrust components | Loaded surfaces, flatness, backing and lubrication features |
| Custom cast components | Approved geometry, material, quantity and inspection scope |
These are enquiry forms rather than a claim that every grade suits every application. Select the variant only after the material and operating duty have been reviewed. For Leaded bronze the main enquiry focus is bushes, bearing sleeves, valve bodies, pump fittings and machined industrial components.
Applications in industry
| Customer / sector | Potential component duty | Main design check |
|---|---|---|
| Electrical OEMs | Equipment hardware and mechanical support components, transformer ground connectors, Transformer Spades, bronze Transformer Spade Connectors, Transformer Spate Terminals, NEMA spaced transformer spades , grounding clamps, ground rod clamps, | Mechanical load; separate verification if current-carrying |
| EPC contractors | Plant fittings, pump components and specified bronze parts | Approved material requisition and project inspection plan |
| Power utilities | Maintenance sleeves, liners and auxiliary equipment parts | Original equipment specification and service conditions |
| Distributors | Grade-identified cast and machined replacement parts | Batch identity and customer-specific requirements |
| Machinery manufacturers | Bearing and sliding components where grade is suitable | Load, speed, lubrication, shaft and housing condition |
Manufacturing process and casting methods
Manufacture begins with drawing review, followed by alloy and process selection, tooling preparation, melting, pouring and controlled cooling. Castings are cleaned before the agreed machining and inspection stages. The route for Leaded bronze must reflect geometry and acceptance requirements. High-lead grades require particular attention to lead distribution; a process name alone does not guarantee uniformity or freedom from porosity.
| Process | How it works | Selection considerations |
|---|---|---|
| Investment casting | An expendable pattern forms a ceramic mold for detailed geometry | Review alloy suitability, tooling, section changes and inspection; qualify before production |
| Green sand casting | Molten alloy fills a cavity formed in moist bonded sand | Flexible for shaped parts; control cores, venting, feeding and machining stock |
| Permanent mold casting | A reusable metallic mold defines the casting cavity | Review release, thermal balance and suitability of the selected alloy |
| Shell molding (resin sand) | Resin-bonded sand forms a rigid shell mold | Evaluate repeatability, core design, cleanup and dimensional requirements |
| Centrifugal castings | Rotation distributes molten metal in cylindrical tooling | Useful enquiry route for rings and sleeves; review lead segregation and bore cleanup |
| GDC — gravity die casting | Gravity fills a reusable metal die | A permanent-mold process, not high-pressure die casting; assess geometry and volume |
After casting, turning and boring establish cylindrical datums; milling, drilling and threading create the remaining functional features. Intermediate checks can be planned before expensive finishing. Final cleaning should remove residual sand and machining debris from passages. Record any agreed repair restrictions before production. Continuous-cast stock may be considered for machined blanks when expressly ordered, but it is a different product form from the shaped casting routes listed above.
Quality standards and certification requirements
| Reference / evidence | How it applies |
|---|---|
| ASTM B584 | General copper-alloy sand casting requirements; check grade scope |
| ASTM B271/B271M | Centrifugal casting requirements for applicable copper alloys |
| ASTM B505/B505M | Continuous-cast material when that product form is ordered |
| ASTM B763/B763M | Sand castings for valve applications, subject to grade and scope |
| ASTM B62 | Composition bronze / ounce metal requirements relevant to C83600 enquiries |
| ASTM B30 | Ingot and remelt material requirements; not a finished-part certificate |
| ASTM B806 / EN 1982 | Review permanent-mold or European casting requirements as applicable |
| Inspection documents | Agree chemical, dimensional, mechanical, pressure or NDT reports |
Standards describe requirements; they do not prove that a supplier holds a particular certification. State any required quality-system certificate, independent inspection or project approval in the enquiry. Certification scope and current documents must be confirmed before making an acceptance decision. These leaded alloys should not be represented as lead-free or automatically compliant with every end-use restriction. Tests, sampling and acceptance criteria should match the actual Leaded bronze component and order.
Why choose Cable Glands India
Cable Glands India offers a single enquiry route for the casting and machining requirements of industrial bronze components. The emphasis is on an identified grade, an approved drawing and a clear supply condition. Buyers can discuss bushes, bearing sleeves, valve bodies, pump fittings and machined industrial components together with tooling, inspection and delivery requirements. This helps OEMs and contractors compare quotations on a consistent basis and gives distributors a defined specification for repeat purchasing.
| Purchasing priority | Information agreed for supply |
|---|---|
| Material identity | Grade, standard, heat analysis and traceability |
| Fit and function | Drawing revision, datums, tolerances and critical surfaces |
| Manufacturing scope | Casting route, machining operations and any special examination |
| Commercial scope | Weight basis, tooling, quantity, documentation and delivery |
Frequently asked questions
What does this product range include?
Leaded Bronze Casting and Machined Casting Parts covers drawing-based supply of bushes, bearing sleeves, valve bodies, pump fittings and machined industrial components. Buyers can specify cast blanks or finished machining. The quotation should identify the alloy, manufacturing route, dimensions and acceptance requirements so that the supplied part matches the intended assembly.
How should I specify the alloy?
The full UNS designation should appear with the applicable product standard and drawing revision. This family includes red brasses, semi-red brasses and leaded tin bearing bronzes. Trade names and international comparison grades do not remove the need to verify chemistry, mechanical requirements and product form.
Which casting processes can be considered?
Investment casting, green sand casting, permanent mold casting, shell molding (resin sand), centrifugal castings and gravity die casting (GDC) can be evaluated. GDC is a form of permanent-mold casting. Suitability depends on alloy, geometry, quantity and required soundness; not every process is offered for every part.
Can the parts be supplied fully machined?
Yes, enquiries can include turning, boring, milling, drilling, threading and specified groove machining. Provide datums, final tolerances, surface finish and the condition in which dimensions are measured. The agreed quotation defines the actual machining operations, inspection coverage and any features left as-cast.
What is the price per kilogram?
The listed rate is US$ 17.90/kg. Confirm the weight basis and whether tooling, machining, testing, packing, freight and taxes are included in the quotation. An approved drawing and quantity allow the commercial scope to be matched to the component instead of comparing rates for different supply conditions.
Are international grades directly interchangeable?
Some designations identify the same alloy family, while others are only approximate comparisons. Different limits for tin, lead, zinc or residual elements can prevent dual compliance. Check the full standards, casting route and required properties, and obtain design approval before replacing the material specified on an existing drawing.
Are leaded bronze parts suitable for every water or electrical application?
No. Lead content and end-use restrictions must be considered for the intended market and equipment. A leaded alloy is not automatically suitable for drinking-water service. Current-carrying parts also require electrical assessment; a bronze material certificate alone does not establish contact resistance, temperature rise or an assembly rating.
What inspection documents can be requested?
An order can specify heat-linked chemical analysis, dimensional reports and agreed mechanical or non-destructive examinations. Pressure tests and microstructure checks should be defined where relevant. Establish sampling, acceptance criteria and witness requirements before production so that the necessary test pieces and manufacturing hold points can be planned.
What information is needed for a quotation?
Send the drawing revision, selected grade, quantity, estimated weight, casting and machining scope, service conditions and delivery destination. Include mandatory testing, marking and packaging requirements. For replacement parts, identify which dimensions come from an approved drawing and which were measured from a worn sample.
International product terminology
| Language | Casting term | Machining term | Related part |
|---|---|---|---|
| Spanish | fundición de bronce con plomo | piezas fundidas mecanizadas | casquillos de bronce |
| Russian | литьё из свинцовистой бронзы | механически обработанные отливки | бронзовые втулки |
| French | moulage en bronze au plomb | pièces moulées usinées | bagues en bronze |
| Portuguese | fundição de bronze com chumbo | peças fundidas usinadas | buchas de bronze |
| Italian | fusione in bronzo al piombo | getti lavorati | boccole in bronzo |
Related products, parts and terms
- C83300 Bronze Casting and Machined Cast Parts
- C83600 Bronze Casting and Machined Cast Parts
- C84400 Bronze Casting and Machined Cast Components
- C83800 Bronze Casting and Machined Cast Components
- C84800 Bronze Casting and Machined Cast Components
- C93200 – SAE 660 Bronze Casting and Machined Cast Fittings
- C93700 (80-10-10 / SAE 64) Bronze Casting
- C93800 Leaded Bronze Casting
- Metal casting product range
- LG2 gunmetal castings and fittings
- Aluminum bronze casting grades
Request a quotation
Price: US$ 17.90/kg. Send your leaded bronze drawing, specification, quantity, estimated weight and supply condition to Cable Glands India. Include critical dimensions, inspection requirements and delivery location. Use our contact page to discuss tooling, casting and machining scope. Sales: sales@cableglandsindia.com; telephone +91 22 43449300.