Injection Molding
Tooling and molding for your repeat plastic parts.
Other Brass Grades Machining for Your Parts
For your special brass alloy machining inquiry, start with the exact grade and stock form. Connect formed covers, machined plates, profiles and sleeves to the final fit your assembly needs.
6 Grade ReferencesResolve your material identity.
4 Stock RoutesSheet, plate, profile or bar.
Final ConditionAgree forming and machining order.
Your Receiving ScopeDefine dimensions and records.
Choose Your Grade Before Comparing a Route
For your brass alloy material selection, distinguish the complete grade, stock form and supplied condition. These other brass grades cover different purchasing and manufacturing decisions; colour or a familiar trade name does not approve replacement.
| Your UNS reference | European comparison · qualified | Selected composition reference · wt.% | Your purchasing decision |
|---|---|---|---|
| C23000 brass | CuZn15 / CW502L | Cu 85 · Zn 15 nominal | Resolve sheet or strip form, supplied temper and final working surface. |
| C26800 brass | CuZn33 / CW506L | Cu 67 · Zn 33 nominal | Review cover geometry, supplied temper and forming versus machining route. |
| C27000 brass | CuZn36 / CW507L | Cu 64 · Zn 36 nominal EN reference | Confirm full product specification; short-name comparisons are qualified. |
| C28000 brass | CuZn40 / CW509L | Cu 60 · Zn 40 nominal | Review blank shape, support and final locating geometry. |
| C38500 brass | CuZn39Pb3 / CW614N · producer comparison | Cu 55–59; Pb 2.5–3.5; Fe ≤0.35; Zn remainder | A leaded brass also called architectural bronze; confirm profile and end-use requirements. |
| C46400 brass | CW719R · qualified supplier comparison | Cu 61; Sn 0.8; Pb 0.1; Fe 0.1; Zn balance · typical | Specify medium, temperature and required corrosion evidence; not a universal marine approval. |
C23000/C26800/C27000/C28000: KME designation and nominal alloy-name references; minor-element limits are omitted. C38500: selected Mueller chemistry limits. C46400: AW Fraser typical composition, not acceptance limits. Do not combine these reference types into a material certificate.
See the Nominal Copper–Zinc Balance
Nominal Copper Comparison
Selected alloy-name reference · wt.% · common scale 0–100
CuZn15
85
CuZn33
67
CuZn40
60
050100
Nominal Zinc Comparison
Selected alloy-name reference · wt.% · common scale 0–100
CuZn15
15
CuZn33
33
CuZn40
40
050100
The charts explain three nominal Cu–Zn alloy names. They do not show a batch analysis, full impurity specification, machinability ranking or corrosion prediction. Full chemistry, product standard and supplied condition govern.
KME · grade references ↗ KME · CuZn40 comparison ↗ KME · nominal strip compositions ↗ Mueller C38500 ↗ AW Fraser Alloy 464 ↗ Wieland · CW614N comparison ↗
Match Your Brass Part to the Working Requirement
Select your stock and part geometry, then review the manufacturing and receiving decisions.
Start with Your Mating Features
For your brass cover, identify the connector opening, mounting ears and locating face. Decide whether forming, machining or a combined route fits the actual drawing.
| Your decision | What to define |
|---|---|
| Your fit | Cover envelope, wall requirement, opening and mounting datums. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Review Support and Tool Access
Agree supported clamping and tool access around ears and openings. Forming availability and tooling are confirmed separately.
| Your decision | What to define |
|---|---|
| Your fit | Cover envelope, wall requirement, opening and mounting datums. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Confirm Your Ordered Stock State
Specify sheet, plate or solid blank and supplied temper; do not assume identical behaviour from different stock routes.
| Your decision | What to define |
|---|---|
| Your fit | Cover envelope, wall requirement, opening and mounting datums. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Release Your Receiving Evidence
Inspect the finished mounting features and accepted edge condition after the complete route.
| Your decision | What to define |
|---|---|
| Your fit | Cover envelope, wall requirement, opening and mounting datums. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Start with Your Mating Features
For your brass mounting plate, connect pockets, boss position and bolt pattern to the same datum scheme. A nominal alloy name does not define the supplied state.
| Your decision | What to define |
|---|---|
| Your fit | Boss-to-hole relationship, pocket wall and locating plane. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Review Support and Tool Access
Review roughing order, support beneath the plate and access for finishing the locating face.
| Your decision | What to define |
|---|---|
| Your fit | Boss-to-hole relationship, pocket wall and locating plane. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Confirm Your Ordered Stock State
Define plate or blank form, usable allowance and supplied condition before comparing cost.
| Your decision | What to define |
|---|---|
| Your fit | Boss-to-hole relationship, pocket wall and locating plane. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Release Your Receiving Evidence
Verify final boss, mounting pattern and locating relationship in the delivered state.
| Your decision | What to define |
|---|---|
| Your fit | Boss-to-hole relationship, pocket wall and locating plane. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Start with Your Mating Features
For your brass profile or bracket, define the section, locating shoulder and mounting features. Compare an available profile with a machined blank on the same finished drawing.
| Your decision | What to define |
|---|---|
| Your fit | Section envelope, shoulder relationship and mounting-hole pattern. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Review Support and Tool Access
Review profile locating, clamp access and edge removal around relief pockets.
| Your decision | What to define |
|---|---|
| Your fit | Section envelope, shoulder relationship and mounting-hole pattern. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Confirm Your Ordered Stock State
Confirm actual section availability, product standard, supplied state and machining allowance.
| Your decision | What to define |
|---|---|
| Your fit | Section envelope, shoulder relationship and mounting-hole pattern. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Release Your Receiving Evidence
Inspect final locating faces and hole relationships; a stock profile tolerance is not finished-part acceptance.
| Your decision | What to define |
|---|---|
| Your fit | Section envelope, shoulder relationship and mounting-hole pattern. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Start with Your Mating Features
For your brass sleeve, define the bore, shoulder and cross-hole access. State the actual working medium and receiving requirements before selecting a naval-brass reference.
| Your decision | What to define |
|---|---|
| Your fit | Bore-to-shoulder datums, clearance, cross-hole and final surface. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Review Support and Tool Access
Agree short supported turning engagement and access to internal edges and cross holes.
| Your decision | What to define |
|---|---|
| Your fit | Bore-to-shoulder datums, clearance, cross-hole and final surface. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Confirm Your Ordered Stock State
Confirm bar or hollow-stock form, supplied condition and the exact ordered grade.
| Your decision | What to define |
|---|---|
| Your fit | Bore-to-shoulder datums, clearance, cross-hole and final surface. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Release Your Receiving Evidence
Verify final bore, shoulder and accepted edges. Any corrosion or functional testing requires a separate agreed procedure.
| Your decision | What to define |
|---|---|
| Your fit | Bore-to-shoulder datums, clearance, cross-hole and final surface. |
| Your route | Stock condition, support and finishing sequence. |
| Your approval | Final geometry, surface and receiving evidence. |
Resolve 6 Risks Before Releasing Your Brass Drawing
Resolve these six drawing decisions before repeating the manufacturing route.
Specify the Complete Material Identity
Provide UNS or EN grade, product standard, stock form and supplied condition. Keep sheet, plate, profile and bar purchasing requirements distinct.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Make Internal Edges Inspectable
Show bore exits, intersecting holes, thread run-out and gauge access. Agree acceptance for hidden internal edges before machining.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Agree the Shape-Making Sequence
A formed cover and a machined cover may start from different stock. Confirm tooling, supplied temper, final condition and the sequence that preserves locating features.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Protect Your Functional Boundaries
Mark allowed edge breaks and the surfaces that must retain their size. Agree first-sample acceptance for connector openings and mounting edges.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Allow for the Finish Your Assembly Receives
Separate cosmetic and working faces. Define coating thickness, masking, accepted tool marks and handling protection against the final drawing.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Measure the Delivered State
Define critical dimensions, datums and measurement access after the complete route. No one tolerance or surface value is assumed for every brass grade.
01 · Requirement
Show the working feature and allowed edge condition.
02 · Route
Agree stock, support and final surface.
03 · Evidence
Inspect the actual finished state.
Confirm stockMachineFinish if specifiedInspect
Connect Your Stock Form to the Finished Part
Agree forming, cutting, edge removal and inspection around the exact grade and supplied condition. Your quote confirms accepted operations and tooling scope.
Milling Your Mounting Datums
Plan pockets and locating faces around the finished drawing.
Explore the Process →
Drilling Your Bracket Foot
Support the hole entry and define internal-edge acceptance.
Explore the Process →
Finished-Feature Inspection
Check the final mounting and locating relationships.
Explore the Process →Agree Your Final Working Surface
Illustrative appearances. State accepted tool marks, cleaning, masking and protection. Review any coating thickness against your final fits.
Surface Finishing →Compare 4 Substitution Inputs
| Your review | What to approve |
|---|---|
| Material | Full chemistry and the actual product standard. |
| Stock | Form, supplied temper and usable allowance. |
| Route | Forming, machining, finishing and final condition. |
| Receiving | Dimensions, working surfaces and document scope. |
A similar European name is a search and purchasing reference; drawing-authority approval is required before changing the ordered material.
C260 Brass → C360 Brass → C69300 Lead-Free Brass →Check Your Brass Part at 3 Stages
01 · Incoming material
Grade, product form, temper and lot.
02 · First route sample
Threads, locating faces and accepted edges.
03 · Finished part
Final fit, surface and records.
Match the Material to Your Order
Define the brass material certificate scope, lot identity, product standard and supplied condition. Match each stock form to the controlled purchasing requirement.
- Material identity, stock form and supplied condition.
- Controlled working and locating geometry.
- Agreed surface protection and receiving records.
Sampling and evidence scope are agreed with your quote.
Quality Assurance →
Approve the Actual Route Sample
Verify locating faces, openings, pockets and accepted edges after the complete first-sample route. Confirm the same drawing before repeating quantities.
- Material identity, stock form and supplied condition.
- Controlled working and locating geometry.
- Agreed surface protection and receiving records.
Sampling and evidence scope are agreed with your quote.
Quality Assurance →
Inspect the State Your Assembly Receives
Verify final cover, shoulder and mounting relationships after specified forming or finishing. Separate dimensional inspection from corrosion or functional testing.
- Material identity, stock form and supplied condition.
- Controlled working and locating geometry.
- Agreed surface protection and receiving records.
Sampling and evidence scope are agreed with your quote.
Quality Assurance →
Keep Parts and Material Records Together
Agree individual separation, working-face protection, lot identification and document scope. Receiving evidence should match the actual ordered grade and route.
- Material identity, stock form and supplied condition.
- Controlled working and locating geometry.
- Agreed surface protection and receiving records.
Sampling and evidence scope are agreed with your quote.
Quality Assurance →
Coordinate Your Drawing and Receiving Requirements
Connect China manufacturing with Dallas-area coordination for drawing review, sample decisions and delivery requirements.
6 Inputs for Your Brass Quote
01CAD and controlled drawing
02Exact grade, stock form and product standard
03Supplied condition and final working fit
04Trial and repeat quantities
05Forming, finishing and accepted edges
06Material records, inspection and delivery needs
Answers Before You Select Brass
How to choose brass grade for custom parts?
Start with the working function, geometry, stock form and supplied condition. Then compare forming, machining, finishing, material records and receiving requirements on the same drawing.
Can brass grades be substituted?
Do not assume interchangeability. Compare full chemistry, product standard, supplied state and final requirement, then obtain approval from the drawing authority.
Is architectural bronze the same as bearing bronze?
C38500 is a leaded brass commonly called architectural bronze. It is not a general approval to replace a specified bearing bronze; identify the actual UNS grade and product form.
Can a European name replace my UNS grade?
Use qualified comparisons to locate candidate stock, then compare the complete specification and condition. Similar names can cover different chemistry or product requirements.
What affects a custom brass alloy parts quote?
Exact grade, usable stock, quantity, tooling, setups, support, finishing and inspection scope affect the quotation. Compare the same drawing revision and final condition.
Does naval brass guarantee corrosion performance?
No universal service-life or corrosion guarantee follows from the name. State medium, temperature, contact conditions and required evidence; review the actual grade and final process.
Can a cover be formed instead of machined?
Provide wall, opening, mounting and quantity requirements. Forming and machining can require different stock and tooling; the quote confirms the accepted route and final inspection.
What records should my receiving team request?
Agree grade and lot identity, supplied condition, specified dimensions and final surface records. Any chemical testing, corrosion evidence or product certification needs an explicit scope.
