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Precision manufacturing. Stronger together.Manufacturing Services & Support

From prototype to production, coordinated manufacturing solutions for your custom parts.

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Thermal Technologies

Choose air- or liquid-cooling components around your thermal and mechanical requirements.

Stepped aluminum heat sink with copper contact insert — illustrative concept
Explore Thermal Technologies

Heat Sinks

Liquid Cooling

AI & Data Center Cooling

Manufacturing support for your cold plates, manifolds and cooling assemblies.

Processor cold plates and distribution manifold — illustrative concept
Explore AI Cooling

AI Compute Cooling

Distribution & Assembly

AI Cooling Interfaces
  1. Cold PlateHeat-source interface
  2. ManifoldCoolant distribution
  3. CDU InterfaceConnection requirements
  4. Rack / LoopAssembly integration
Review component fit across your cooling system.

Industry Cooling Solutions

Find components for your power electronics, energy, laser and telecom application.

Machined power module cooling plate — illustrative concept
Explore Industry Cooling

Power Electronics

EV & Energy

Laser & Telecom

Industries

High-Tech & Electronics

Components for your electronic systems.

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Applications & Project Inquiries

Precision & Advanced Systems

Start with your functional and quality requirements.

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Applications & Project Inquiries

Industrial & Energy

Build around your operating environment.

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Applications & Project Inquiries

Materials

From prototype to production, review material performance, manufacturability and cost for your part.

Engineering Plastics

Match your polymer to function, process and environment.

→
ABS — illustrative material conceptABSReview enclosure and molding needs›Polycarbonate (PC) — illustrative material conceptPolycarbonate (PC)Discuss clarity and impact needs›Nylon (PA) — illustrative material conceptNylon (PA)Review moisture and wear conditions›POM / Acetal — illustrative material conceptPOM / AcetalReview fit and sliding features›PEEK — illustrative material conceptPEEKDiscuss operating conditions›PTFE — illustrative material conceptPTFEReview friction and chemical exposure›ULTEM / PEI — illustrative material conceptULTEM / PEIDiscuss thermal and electrical needs›

Elastomers & Specialty Materials

Confirm grade availability and application requirements.

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Elastomers
Silicone / LSR — illustrative material conceptSilicone / LSRDiscuss flexible component needs›TPU / TPE — illustrative material conceptTPU / TPEReview flexibility and processing›EPDM — illustrative material conceptEPDMReview weathering and chemical exposure.›NBR — illustrative material conceptNBRReview oil and fuel exposure.›FKM — illustrative material conceptFKMReview temperature and chemical exposure.›
Specialty Materials
G10 / FR4 — illustrative material conceptG10 / FR4Review insulation and laminate needs›Composites — illustrative material conceptCompositesReview stiffness, weight and laminate.›Customer-Specified MaterialsConfirm your grade and requirements.›Other Specialty MaterialsDiscuss your application and grade.›
Resources

Design & Engineering

Practical guidance for your part geometry and material decisions.

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Cost & Planning

Prepare your process, budget and sourcing questions.

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Learn & Proof

Build your knowledge before production.

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About Us

About LK MFG

Learn who we are and how we operate.

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Get in Touch

Find our U.S. support team or start a conversation.

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sales@lkmfg.com (945) 409-1013

1750 Briercroft Ct, Suite 204
Carrollton, TX 75006, USA

Rounded brass valve body, elbow fitting and offset port-block concepts — illustrative generated component concept
Illustrative component concept

C377 Brass Forging & Machining for Your Parts

Plan your C377 brass forging machining around the blank, finished ports and sealing faces. Agree the first sample, final dimensions and receiving evidence before repeat production.

UNS C37700Identify the exact material.
58–61% CuSelected CDA composition range.
Forged BlankDefine allowance and final datums.
Ports & SealsDefine threads and working lands.

Know Your C377 Brass Before Releasing the Blank

For C37700 forging, separate the purchased stock requirement from the finished component drawing. A forging brass name does not establish pressure integrity, final tolerance or suitability for a regulated application.

Identify Your Forging Brass

IdentifierYour purchasing review
UNSC37700 brass / UNS C37700
Common nameForging brass
European comparisonbedra CuZn40Pb2 / CW617N · supplier cross-reference only
BlankSpecified forging stock, near-net geometry and machining allowance
AcceptanceFinished drawing, material identity and agreed inspection scope

C377 Brass Composition

Element · wt.%CDA C37700 reference
Copper58–61
Lead1.5–2.5
Iron≤0.30
ZincRemainder

Selected CDA C37700 reference; copper plus named elements ≥99.5%. This is not a lot analysis. The complete ordered specification governs.

Review Your C377 Brass Properties

DecisionYour review input
C377 brass lead contentLead-bearing reference: 1.5–2.5 wt.%; define destination and application requirements.
Blank and final stateSpecify forging geometry, machining allowance and final inspection datums.
Pressure boundarySpecify service, sealing features and any required test scope separately.

Compare Data Without Approving Substitution

The copper-range chart shows why a supplier cross-reference needs a full specification check. The C377 brass machinability chart is a selected comparative index, not a cycle-time, price or finished-quality prediction.

Compare Selected Copper Ranges

Different supplier specifications · wt.% · common scale 0–65

C37700
58–61
CW617N
57–59
032.565

Selected Relative Machinability

CDA reference · free-cutting brass = 100 · common scale 0–100

C37700
80
C36000
100
C26000
30
050100

C37700 copper range and index 80: CDA. CW617N copper range 57–59%: bedra; other chemistry limits also differ. CDA C36000/C26000 indices 100/30 are selected comparisons. Producer ratings may differ, including Mueller C37700 at 90. Do not average ratings, infer production time or treat these charts as a material report.

CDA C37700 reference ↗ Mueller C37700 reference ↗ bedra CW617N comparison ↗

Match Your Forged Blank to the Finished Part

Select a valve, fitting, cover or port block, then review the route and receiving evidence for your drawing.

Start with Your Mating Features

For your C377 brass forged valve bodies, define the three ports, mounting flange and accessible sealing lands. Your C377 brass valve components drawing should connect passage geometry to the final inspection datums.

Your decisionWhat to define
Your fitPort axes, sealing lands, mounting pattern and final wall requirements.
Your routeStock condition, support and finishing sequence.
Your approvalFinal geometry, surface and receiving evidence.
Golden brass compact three-port valve body with rounded forged outer transitions, one broad upright threaded neck, two unequal opposed side ports and a four-hole asymmetric mounting flange; external surfaces combine restrained forge texture and machined sealing lands — illustrative generated component concept
Illustrative component concept

From Your C377 Blank to the Finished Part

For your C377 brass machining services review, connect forging, trimming, finish machining and inspection in one accepted route. Your quotation confirms the scope and responsibilities.

Matched closed-die setup concept for a brass valve-body blank — illustrative generated component concept
Illustrative component concept

Forging Route Review

For C377 brass forging services, review the accepted blank route, die geometry and first-sample scope.

Explore the Process →
Wet finish milling of a supported brass valve mounting foot — illustrative generated component concept
Illustrative component concept

Finish Milling

For C377 brass CNC machining, connect forged locating features to final sealing and mounting datums.

Explore the Process →
Supported wet drilling of a brass port-block mounting ear — illustrative generated component concept
Illustrative component concept

Ports & Thread Preparation

Review drill entry, internal intersections and subsequent thread-gauge access.

Explore the Process →
Final sealing-land datum inspection of a brass elbow fitting — illustrative generated component concept
Illustrative component concept

Finished-Feature Inspection

Verify sealing lands, mounting datums and the agreed receiving evidence.

Explore the Process →

Resolve 6 Risks Before Releasing Your C377 Drawing

Review blank allowance, internal edges, thermal route and sealing acceptance together.

Define Your C377 Brass Forging Defects Acceptance

Review parting lines, trimming witness, folds, cracks and accessible surfaces against an agreed first sample. Forging alone does not prove a leak-free pressure boundary.

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
Trimmed parting-line and forged transition review on a brass blank — illustrative generated component concept
Illustrative component concept

Compare Before Changing Your Brass Grade

ComparisonYour approval input
C377 vs C360 brassCompare forging route, chip machining, chemistry and the final application.
C377 vs C260 brassKeep hot-forged components distinct from thin cold-formed sheet parts.
CW617N / CuZn40Pb2Supplier cross-reference only: compare full chemistry, product standard and condition.

A common name or cross-reference does not approve substitution. Obtain drawing-authority approval before changing stock.

Compare Copper, Brass & Bronze →

Agree Your Finished Sealing Surface

As-machined sealing lands on a brass port-adapter concept — illustrative generated component concept
Illustrative component concept
As Machined
Clean annular sealing land on a brass connector — illustrative generated component concept
Illustrative component concept
Clean Seal Land
Selected masking and exposed sealing lands on a brass valve connector — illustrative generated component concept
Illustrative component concept
Specified Masking
Brass elbow fitting protected in an individual delivery pocket — illustrative generated component concept
Illustrative component concept
Protected Delivery

Illustrative appearances. Define working seal lands, cleaning, masking and delivery protection. Any plating or coating requires a suitability and final-fit review.

Surface Finishing →

Check Your C377 Part at 3 Stages

01 · Incoming material

Grade, product form, temper and lot.

02 · First route sample

Port features and accepted edges.

03 · Finished part

Final fit, surface and records.

Review Your C377 Brass Prototype Forging

Verify the first complete forged-and-machined sample against port axes, sealing lands and accepted edges. Confirm whether the trial route represents the repeat-production route.

  • Material identity, product form and supplied state.
  • Controlled port, seal and locating geometry.
  • Agreed surface protection and receiving records.

Sampling and evidence scope are agreed with your quote.

Quality Assurance →
First-sample datum check of a brass valve-body concept — illustrative generated component concept
Illustrative component concept
LK Dongguan factory exterior — user-supplied photograph
LK Dongguan factory · user-supplied photograph

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 C377 Quote

01CAD and controlled drawing
02UNS C37700, stock standard and blank drawing
03Forged blank allowance and final condition
04Trial and repeat quantities
05Port threads, sealing lands and accepted edges
06Material records, test scope and delivery needs

Answers Before You Specify C377

Why forge C377 brass before machining?

A reviewed near-net blank can place material around the required ports and mounting features before final cutting. Compare the tooling, allowance, quantities and final drawing; no universal material-saving or cost percentage is promised.

Is C377 brass lead free?

The selected CDA C37700 reference contains 1.5–2.5% lead. Do not describe this grade as lead-free or infer compliance from its common name. Define the application and required evidence before ordering.

Can C377 brass be used for drinking water?

Grade alone does not establish potable-water suitability or product certification. Identify destination, wetted location, complete product and required approvals; review the actual permitted material and product evidence before accepting the application.

C377 vs C360 brass: what should your drawing decide?

Compare chemistry, stock form, forging route, final features and service requirements. A relative machinability rating does not approve substitution or predict the quoted cycle time.

C377 vs C260 brass: can I use the same route?

Do not assume the same route. C377 is a forging-brass reference; C260 is commonly reviewed for cold-formed sheet components. Confirm full specification and finished function with the drawing authority.

How much does C377 brass forging cost?

Your C377 brass forging quote depends on die and setup scope, usable blank, machining allowance, ports, sealing faces, sample and repeat quantities, finish and receiving evidence. Compare the same final drawing and accepted route.

What should custom C377 brass forgings documentation include?

Identify the controlled final drawing, blank requirement, lot traceability, material documents and first-sample acceptance. Any pressure testing or other application-specific verification needs its own agreed procedure and report scope.

What does a C377 brass forging temperature reference establish?

It supports a supplier process review, not a qualified recipe for every part. Agree the actual billet, geometry, heating route and final acceptance with the responsible supplier before production.

Copper, Brass & Bronze → CNC Machining →