Milwaukee's Trusted Heat Treatment Partner

Stronger metals.
Built to last.

Precision heat treatment that transforms raw metal into engineered performance. From annealing to case hardening, we deliver consistent, certifiable results — on time, every time.

100% Quality Certified
48hr Average Turnaround
WI Locally Owned
Industrial heat treatment furnace in operation
Custom Specifications Every job is engineered to your exact requirements

Comprehensive heat treatment
for every application

From prototype to production run, we offer a full spectrum of thermal processing services tailored to your material and specification.

Annealing

Relieve internal stresses and restore ductility. We control heating rates, soak times, and cooling cycles to achieve the exact microstructure your part demands.

  • Full & process annealing
  • Spheroidizing
  • Normalizing

Hardening

Achieve maximum hardness and wear resistance through controlled quenching in oil, water, polymer, or gas media — matched to your alloy and geometry.

  • Oil & polymer quench
  • Gas quench hardening
  • Maraging & tool steel

Tempering

Reduce brittleness after hardening while retaining desired strength. Our precise tempering cycles ensure consistent mechanical properties throughout the batch.

  • Low & high tempering
  • Stress relieving
  • Multi-stage cycles

Case Hardening

Build a hard, wear-resistant surface while maintaining a tough core. Carbonitriding and nitriding processes tailored to your case depth and hardness targets.

  • Carbonitriding
  • Pack & gas nitriding
  • Induction hardening

Custom Thermal Processing

Have a unique specification or non-standard material? We engineer custom heat treat cycles to meet your engineering drawings and quality requirements.

  • Custom cycle development
  • Non-ferrous processing
  • Special atmospheres

Quality & Certification

Every batch is documented with full process records, hardness testing, and metallurgical verification — ready for your quality audit or customer submission.

  • Hardness testing
  • Process documentation
  • Material traceability
Heat Treat Engineers facility interior showing industrial equipment
Close-up of precision metal components after heat treatment
Milwaukee Based & Operating

Engineering precision
into every cycle

Heat Treat Engineers is a Milwaukee-based professional services firm specializing in industrial thermal processing. We serve manufacturers, job shops, and engineering teams who need reliable heat treatment that meets exact specifications.

Our approach is straightforward: we combine deep metallurgical knowledge with modern furnace technology to deliver consistent, certifiable results. Whether you're running a single prototype or a production batch, we treat every order with the same rigor.

Precision First Tight tolerances on temperature, time, and atmosphere
On Time, Every Time We schedule realistically and meet our commitments
Fully Documented Complete process records with every shipment

From inquiry to finished parts

A streamlined process designed to get your parts processed quickly and correctly — every time.

01

Submit Your Requirements

Share your material specs, part geometry, hardness targets, and any applicable standards. We'll review and confirm the approach.

02

Receive Your Quote

We provide a detailed quote covering process, timeline, and pricing — no hidden fees, no surprises.

03

We Process Your Parts

Your parts are heat treated according to the agreed cycle, with full monitoring and documentation throughout.

04

Quality Check & Delivery

Hardness verification, process certification, and prompt pickup or shipping — your parts arrive ready for use.

Trusted across sectors

Automotive

Gears, shafts, fasteners, and suspension components — heat treated for durability under extreme conditions.

Aerospace

Precision thermal processing for aerospace-grade alloys with full traceability and documentation.

Mining & Construction

Wear-resistant treatment for cutting edges, drill bits, and heavy equipment components.

Oil & Gas

Hardening and tempering for valves, drilling components, and downhole tools built for harsh environments.

General Manufacturing

Job shops and production facilities rely on us for consistent, spec-driven heat treatment services.

Tool & Die

Tool steel hardening, tempering, and restoration — extending the life and performance of your tooling.

Ready to upgrade
your heat treatment?

Tell us about your project and we'll get back to you with a detailed quote — typically within one business day.

Let's discuss
your project

Whether you need a one-time treatment or a recurring partnership, we're here to help. Reach out and we'll respond promptly.

Address 1146 N 54th St
Milwaukee, WI 53208
Phone 414-258-1484

Request a Quote

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