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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.

Explore Planning Topics

Learn & Proof

Build your knowledge before production.

Explore Learning Paths
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

Yellow formed cover, machined carrier, welded corner and purple ribbed bracket — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

FOR YOUR FORMING, JOINING AND MACHINING DECISIONS

Other Aluminum Alloys for Your Custom Parts

Compare 3003, 5083, 5754 and 7050 around the part you need to make. Connect the alloy, temper and stock form with your geometry, finish and acceptance requirements.

For your controlled drawing—not a raw-stock price list.

01 · Form the shape

Bends, draws, flanges and sheet condition.

02 · Join the assembly

Joint geometry, heat effects and inspection.

03 · Machine the interfaces

Datums, removal depth, bores and fits.

04 · Verify the supplied part

Finish, material record and release baseline.

4 TOPICS, ONE CONTROLLED PART REQUIREMENT

Other Wrought Aluminum Alloys: Choose Your Starting Point

Keep wrought stock distinct from casting alloys and proprietary tooling plate. Availability and the manufacturing route are confirmed for your project.

3003 · Formed Sheet Parts — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

3003 · Formed Sheet Parts

For 3003 aluminum sheet metal fabrication, review the gauge, temper and bend geometry. Custom 3003 aluminum parts may include formed covers and trays; define the critical assembled dimensions for your 3003 aluminum sheet metal parts.

Review the sheet route →
5083 · Machined & Welded Parts — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

5083 · Machined & Welded Parts

For 5083 aluminum CNC machining, specify wrought plate or another approved stock form explicitly. Custom 5083 aluminum parts need a clear material baseline; compare 5083 aluminum machining services on the same geometry, finish and inspection scope.

Review your machining inputs →
5754 · Formed & Joined Components — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

5754 · Formed & Joined Components

For 5754 aluminum sheet metal fabrication, connect the temper with forming and joining requirements. Custom 5754 aluminum parts and 5754 aluminum sheet metal components need the controlled product specification alongside the alloy name.

Review forming and joining →
7050 · Precision Machined Parts — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

7050 · Precision Machined Parts

For 7050 aluminum CNC machining, state the plate condition and critical feature relationships. Custom 7050 aluminum parts require an agreed removal and inspection plan; compare 7050 aluminum machining services on the finished-part scope.

Compare material conditions →

Need a casting alloy? Review the casting guide →

Compare Your Alloy, Product Form and Process Together

AlloySelected composition limits · wt%Route to evaluateYour controlling inputs
3003Mn 1.0–1.5%Formed sheet covers and traysTemper, gauge, bend direction and finished fit
5083Mg 4.0–4.9%Machined plate and welded componentsWrought versus cast stock, temper and joint requirements
5754Mg 2.6–3.6%Formed sheet and joined assembliesProduct standard, temper, forming and weld acceptance
7050Zn 5.7–6.7%; Cu 2.0–2.6%Precision-machined high-strength featuresFull temper, stock specification, environment and critical dimensions

Selected alloy chemistry limits identify material families; they are not lot test results or a complete composition specification. These route examples do not establish stock availability, component qualification or interchangeable alloys.

KEEP THE FULL MATERIAL CALLOUT

7050-T7451 vs 7050-T7651

For 7050-T7451 CNC machining, retain the specified plate condition and purchase standard. Review material removal, support and unclamped inspection together.

7050-T7651 machined parts are a separate condition. Do not exchange tempers solely because one typical strength value is higher; corrosion, toughness, orientation and your governing specification also matter.

These values describe supplier reference material, not guaranteed finished-part performance or LK MFG machining capability.

Typical longitudinal strength · MPa

7050 · T7451

Tensile 524 MPaYield 469 MPa

7050 · T7651

Tensile 552 MPaYield 489 MPa
Kaiser sheet/coil/plate reference; 0.500-inch diameter tensile specimen. Typical values, not purchase minima or design allowables. Verify the actual product form, thickness and specification.
Kaiser 7050 technical data →

3 Process Routes to Review Against Your Drawing

Cut & Form Your Sheet — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

Cut & Form Your Sheet

For 3003 aluminum laser cutting, define the flat pattern and edge condition. For 3003 aluminum bending, connect temper, thickness, grain and tooling. Review 3003 aluminum stamping parts against the actual draw and trial requirements.

Laser cutting →
Machine Your Critical Interfaces — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

Machine Your Critical Interfaces

For 5083 aluminum CNC milling, establish support and datum faces. For 7050 aluminum precision milling and 7050 aluminum 5 axis machining, review tool access, pockets and the required feature relationships.

CNC milling →
Join Your Finished Assembly — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

Join Your Finished Assembly

For 5083 aluminum welded fabrication and 5754 aluminum welded components, agree the joint, filler, procedure, heat effects and post-weld acceptance before committing to the route.

Welding & fabrication →

For 5754 aluminum laser cutting and 5754 aluminum sheet bending, retain the same material and drawing baseline through blank cutting and forming. For 5083 aluminum sheet metal fabrication, confirm the stock condition and forming requirements separately from a machined-plate route.

Bending & forming → · 5-axis machining →

RESOLVE THE DETAILS BEFORE QUOTING

6 Checks for Your Alloy-Specific Design Review

Your stock

Wrought sheet/plate, extrusion or an explicitly specified tooling product.

Your condition

Alloy, full temper and purchase standard.

Your geometry

Bends, local strain, pocket depth and material removal.

Your interfaces

Datums, threads, mounting faces and fitted bores.

Your joints

Access, heat effects and assembled acceptance.

Your surface

Visible zones, coating, masking and handling.

DFM & Drawing Review →
Flat cut blank, folded bracket and machined support — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

YOUR FINISH IS PART OF THE PART

Choose Appearance and Functional Protection Together

Agree the preparation, anodizing or coating system, color reference and masked areas for the actual alloy. A different alloy or stock lot may change visible anodized appearance.

For powder-coated sheet parts, define texture, gloss, grounding and assembly faces. Approve a representative sample and state which dimensions are checked after finishing.

Your visible surfaces

Name the show faces and approved appearance reference.

Your mating surfaces

Control coating allowance, threads and masked fits.

Anodizing → · Powder coating →
Blue and purple anodized parts with pink and yellow coated sheet components — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

Match the Material to Your Application’s Acceptance Rules

3003 Aluminum Enclosure Fabrication

Review access panels, bends, ventilation and mounting interfaces. An alloy does not establish a sealing or electrical rating.

5083 Aluminum Marine Components

Specify exposure, joint details, mating metals and any required class or project approvals. Material suitability is not certification.

5754 Aluminum Automotive Components

State the controlled drawing, validation, traceability and customer approval requirements. No OEM qualification is implied.

7050 Aluminum Aerospace Components

Confirm design authority, supplier approval and required special-process evidence before accepting a supply route. No program approval is implied.

5 Cost Inputs Beyond the Alloy Name

Material baseline

Stock form, temper, size, certificate and permitted alternatives.

Geometry

Forming sequence, removal volume, tool access and setup count.

Joining

Welds, hardware, assembly and post-join checks.

Finish

Preparation, color changes, masking and appearance sample.

Order scope

Trial/repeat quantities, inspection, packing and delivery.

Compare quotations for the same supplied part. A cheaper raw-stock offer does not include every forming, machining, finishing or inspection step.

Value engineering →
Billet, flat pattern and finished machined adapter — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

FOR YOUR RECEIVING TEAM

4 Checks to Connect Your Material and Finished Part

Material record

Alloy, condition, product specification and agreed lot identification.

Critical geometry

Finished dimensions, datums, fits and assembly relationships.

Surface + joints

Appearance, masking, weld condition and documented exceptions.

Release evidence

Required reports, identification, packing and drawing revision.

Quality documentation → · Traceability →
CMM inspecting an aluminum mounting plate datum — illustrative concept
Illustrative manufacturing concept; not customer parts or test evidence.

Keep Your First Part and Repeat Order on One Baseline

Your design review

Resolve material alternatives and process questions before release.

Your representative sample

State what fit, function, joints or appearance the first part must prove.

Your repeat supply

Record approved changes, material condition and required inspection scope.

For 3003-H14 aluminum fabrication, retain the specified gauge and forming direction. For 5083-H111 CNC machining, keep the stock form and certificate requirement explicit. EN AW-5754 sheet metal parts still need the full product standard and temper.

Prototype-to-production support →

6 Inputs for Your Other Aluminum Alloy Parts Quote

01 CAD + controlled drawing and revision

02 Alloy, full temper, stock form + purchase specification

03 Critical geometry, fits, surface texture + tolerances

04 Joints, finish, masking + appearance reference

05 Prototype/repeat quantities + requested schedule

06 Inspection, material documents + permitted substitutions

If the alloy is not yet fixed, share the load, environment, forming, joining and surface requirements that your selection must meet.

Material & Process Selection →

Your Questions Before Selecting an Alternative Alloy

3003 vs 5052 aluminum for sheet metal: what should I compare?

Compare the specified temper and gauge with strength, forming, joining, corrosion exposure and finish. Do not carry a bend assumption or acceptance value from one alloy directly into the other.

Is 3003 aluminum good for bending?

It is commonly considered for formed sheet parts, but the actual result depends on temper, thickness, grain direction, tooling, edge condition and bend geometry. Review your inside radius and finished dimensions.

5083 vs 5052 aluminum for marine parts: which inputs matter?

Compare the actual product form and condition, exposure, joints and required project approvals. Neither alloy name alone establishes marine certification or an acceptable welded assembly.

Can 5083 aluminum be CNC machined?

Yes, a machined route can be reviewed against the specified stock form, temper, geometry, supports, finish and inspection requirements. Wrought plate and cast tooling plate are not automatically equivalent.

5754 vs 5052 aluminum for sheet metal: can I substitute?

Treat the proposed change as a design decision. Compare the applicable product specification, temper, gauge, forming, joints and finished acceptance requirements before approval.

Can 5754 aluminum be welded?

A suitable welding route can be reviewed. Agree the joint, filler, procedure, heat effects, distortion control and post-weld inspection against the actual assembly requirements.

7050 vs 7075 aluminum for CNC machining: what controls the choice?

Use the governing product specification, temper, thickness, orientation, environment and critical feature requirements. A generic strength ranking does not approve a substitution.

7050-T7451 vs 7050-T7651: are they interchangeable?

No automatic interchangeability is implied. Keep the exact temper and specification; review the relevant strength, corrosion and toughness requirements with the responsible design authority.

What if my alloy is not listed here?

Send the complete material callout and drawing, quantities, finish and evidence requirements. Identify any permitted alternative separately for review; listing an alloy is not confirmation of stock availability.

Can you guarantee one tolerance for every aluminum alloy?

No single tolerance applies to every geometry or process. Mark the critical dimensions, datums, fits and measurement conditions for project-specific review.

3 Approvals Before Your Production Release

Your material

Approved alloy, temper, product form and drawing revision.

Your supplied part

Accepted geometry, finish, joints and documented exceptions.

Your release records

Agreed inspection, identification, packing and delivery scope.