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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.

→
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

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sales@lkmfg.com (945) 409-1013

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

YOUR GRADE. YOUR CONDITION. YOUR FINISHED FIT.

A36 Carbon Steel for Your Fabricated & Machined Parts

For your A36 steel machining and fabrication project, connect plate thickness, weld sequence and final mounting datums. Agree cutting, machining, coating and inspection before releasing your base, bracket or frame.

1 part model + 1 controlled drawing · Material condition · Quantity

A36 machined base plate, gusseted bracket, support frame and mounting plate — illustrative component concept
Illustrative component concept · not a material certificate
Grade & specificationConfirm grade and product standard.
Stock conditionConfirm plate, shape or bar and actual supplied condition.
Final-fit reviewDefine datums, fits and thermal sequence.
Material recordsAgree receiving and inspection evidence.

Know Your A36 Material Before You Order

ASTM A36 is a carbon structural steel specification. Confirm product form, plate thickness and the material record; a grade name alone does not define a finished welded assembly.

ASTM A36 · product specification

Specify the requested grade with product form and condition.

36 ksiMinimum yield reference

SSAB plate reference, 2.54–152 mm · not an LK part guarantee.

01 · Your stock

Product form, thickness and supplied surface condition.

02 · Your final state

Weld sequence, coating and final mounting datums.

03 · Your evidence

Material identity, lot records and agreed inspection.

Custom A36 Steel Parts for Your Assembly

Select your part family, then review the four decisions that control your order.

Define the Faces That Locate Your Base

For your A36 steel base plates and A36 steel fixture plates, identify mounting pads, locating holes, lugs and required flatness. Separate machined datum faces from as-supplied plate surfaces.

Your fitDatums, mating faces and critical relationships.
Your processStock condition, sequence and tool access.
Your approvalFinal dimensions and agreed inspection scope.
A36 steel base plates & lugs your part review — illustrative component concept
Illustrative component concept · not a material certificate

A36 Steel Properties Depend on Product and Route

Separate material requirements from the dimensions of your finished assembly.

Your calloutWhat to confirm
Plate or structural productExact specification, thickness, supplied condition and record
Welded assemblyJoint details, procedure, sequence and final acceptance
Machined and coated partDatum scheme, cleanup allowance and final surface condition
36 ksi is a material reference, not an assembly rating.

SSAB lists this minimum for its selected 2.54–152 mm plate products.

Flatness and weld distortion need separate requirements.

Specify the final supported inspection state for your base or frame.

A36 Steel Composition & European Comparison

Product form and thickness matter. These two producer references describe different product scopes.

A36 Plate Carbon Limits Change with Thickness

Carbon max, mass % · common axis 0–0.30%

Plate ≤20 mm
≤0.25%
Plate >20–40 mm
≤0.25%
Plate >40–65 mm
≤0.26%
Plate >65–100 mm
≤0.27%
Plate >100 mm
≤0.29%
00.15%0.30%

American Alloy Steel plate reference. Maximum limits, not measured lot chemistry.

Mass % / scopeA36 plate ≤20 mm · American Alloy SteelS235JR hot strip ≤16 mm · tk accelis
C max0.250.17
MnNo range specified in selected thickness column≤1.40
Si≤0.40Not reported in selected table
P max0.0300.035
S max0.0300.035

European comparison: S235JR / 1.0038 is a structural-steel reference for review, not an automatic substitute for ASTM A36. Verify the ordered standard, thickness, properties, impact requirements and records. Missing entries do not mean zero.

American Alloy Steel: thickness-specific plate chemistry ↗ · SSAB: A36 plate scope ↗ · tk accelis: S235JR / 1.0038 ↗

Resolve 6 Risks Before You Release the Drawing

Review A36 steel machinability together with geometry, material condition and the final manufacturing route.

Keep Joint Details and Final Datums Together

For A36 steel fabrication services, agree stock, joints, weld sequence and final dimensional requirements. Define the machining or inspection operations after joining.

01 · Requirement

Define the condition and acceptance method.

02 · Verification

State locations and final inspection scope.

03 · Final fit

Agree dimensions after the full sequence.

Review stockMachineProcess if specifiedInspect
A36 steel weld sequence manufacturing review — illustrative component concept
Illustrative component concept · not a material certificate

From Your Plate to a Finished Component

Milling & Drilling A36 component concept — illustrative component concept
Illustrative component concept · not a material certificate

Milling & Drilling

Define pads, bores and hole relationships for your A36 steel machined parts.

Explore machining →
Plate Cutting & Forming A36 component concept — illustrative component concept
Illustrative component concept · not a material certificate

Plate Cutting & Forming

For A36 steel laser cutting, profile cutting or A36 steel bending, agree thickness, edges and the actual process route.

Explore fabrication →
Welding & Fabrication A36 component concept — illustrative component concept
Illustrative component concept · not a material certificate

Welding & Fabrication

Connect your joints, distortion review and final machining sequence.

Explore welding →

Illustrative components. Operations and availability are confirmed for your drawing.

3 Part States. One Acceptance Drawing.

01 · Incoming material

Grade, product form, thickness, surface and lot identity.

02 · After specified processing

Specified joining route, distortion and final machining allowance.

03 · Finished part

Final fits, surface protection and agreed acceptance evidence.

Agree the Evidence Your Receiving Team Needs

Approve the Finished Condition, Not Just the First Cut

Connect mounting pads, hole locations and assembly fits to the planned weld, machining and coating sequence.

  • Material identity and traceability.
  • Critical dimensions and assembly fit.
  • Process and finish records, where specified.

Sampling, methods and document scope are agreed with your quotation.

Quality Assurance →
A36 steel first machined sample inspection and receiving review — illustrative component concept
Illustrative component concept · not a material certificate

6 Inputs for Your A36 Steel Machining Quote

01CAD and controlled drawing
02Grade, stock form, thickness and supplied surface
03First-order and repeat quantities
04Critical dimensions and surface finish
05Cutting, weld sequence and required protection
06Inspection records and delivery needs
LK Dongguan factory exterior — user-supplied photograph
LK Dongguan factory · user-supplied photograph

China Manufacturing. Dallas-Area Coordination.

Coordinate your drawing review, material condition, sample decisions and receiving requirements.

Answers Before You Specify

Can A36 steel be welded?

A36 can be reviewed for welded fabrication. Agree stock thickness, joint details, procedure, sequence and final dimensional acceptance for your assembly.

A36 vs A572 steel: can I substitute?

These specifications have different requirements. Confirm the exact grade, thickness, properties and required records against your drawing before approving any substitution.

A36 vs S275 steel: what should I compare?

Review complete product standards, thickness-dependent properties, impact requirements and certification. A regional material name does not establish equivalence.

Does A36 steel rust?

It is carbon structural steel, not stainless steel. Define exposure, coating, storage and shipping protection for your component.

Can A36 steel be hardened?

Do not choose a final hardened condition from the A36 name alone. Review your required property, section and process with the exact material specification.

How much does A36 steel machining cost?

Send the drawing, stock form and thickness, quantity, cutting and welding scope, machined datums, coating and inspection requirements.

What is A36 steel used for?

Bases, brackets, frames and mounting plates are selection examples. Your load, geometry, joint design and required acceptance determine suitability.

Compare Carbon & Alloy Steel →

References support material selection. Your order specification and material records govern.