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Vacuum heat treatment service in progress at Lakshmi Vacuum

Send Us Your Parts. Get Them Back Bright, Right and On Time.

Lakshmi Vacuum Heat Treaters provides commercial vacuum heat treatment services for industries that cannot compromise on surface quality, dimensional stability or repeatability. From a single critical component to production volumes — your parts are treated on vacuum furnaces, by metallurgists, from the unit nearest you.

Small batches to production volumes 9+ units across India IATF 16949 certified unit
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Vacuum Heat Treatment Services We Offer

Every process runs under vacuum with programmed cycles and recorded data — one roof, multiple capabilities.

Vacuum Hardening & Tempering

Full hardening and tempering cycles for hardness, toughness and dimensional stability — with bright, oxide-free results.

Annealing & Solutionizing

Controlled annealing and solution treatment for ductility, grain refinement and machinability — without surface damage.

Vacuum Brazing

Clean, flux-free joints for critical assemblies — no contamination, precise bonding, leak-tight results.

Stress Relieving & Normalizing

Reduce internal stresses from machining, welding or forming — stabilize parts before finishing or service.

High-Pressure Gas Quenching

Uniform, fast cooling for hardness with minimal distortion — ideal for precision and intricate components.

Tool Steel Treatments

Specialised cycles for hot work, cold work, plastic mould and HSS steels — built for maximum tool life.

How Industries Benefit from Vacuum Heat Treatment

Six reasons manufacturers specify vacuum treatment for their most critical parts.

Bright, Clean Parts

No oxidation, no decarburization, no scale — parts return finish-ready, often skipping cleaning entirely.

Minimal Distortion

Uniform heating and controlled gas quenching keep critical dimensions stable — less straightening, less scrap.

Repeatable Results

Every load runs a programmed, recorded cycle — batch after batch behaves the same.

Critical-Alloy Capable

Titanium, nickel alloys and stainless grades treated safely — no contamination, no atmosphere damage.

Clean & Safe Process

No salt baths, no protective atmosphere gases, no emissions — a cleaner process for parts and people.

Certified & Documented

IATF 16949 certified Bengaluru unit and ISO certified units — process records and required documentation furnished professionally.

IATF 16949 Certified Our Bengaluru unit — global automotive quality standard
ISO Certified Units Quality systems across our service network
Documented Processes Recorded cycles with every job

Materials We Treat, Industries We Serve

Materials

Alloy & Tool Steels Stainless & PH Steels Nickel & Cobalt Alloys Titanium & Aluminium Copper & Beryllium Copper Powder-Metal & Sintered Parts

Industries

Aerospace & Defence Automotive Tool & Die Medical General Engineering Energy and Many More

How a Job Runs — Enquiry to Dispatch

From your first enquiry to parts back in your stores, the process stays clear and communicated.

01

Share Job Details

Drawing, material grade, quantity and the outcome you need.

02

Requirement Review

Process engineers fix the route, fixturing and quench parameters.

03

Plan & Quote

Feasibility, schedule and price — before anything is committed.

04

Production

Parts run under parameters set for your material and geometry.

05

Careful Handling

Fixtured, processed and packed — ready for your next operation.

06

Nearest-Unit Dispatch

Shipped from the unit closest to you for faster turnaround.

Vacuum Heat Treatment FAQs

What is vacuum heat treatment?

Heat treatment carried out inside a sealed chamber from which air has been removed. The oxygen-free environment prevents oxidation and decarburization, so parts come out bright and clean, with controlled distortion and repeatable results.

Which vacuum heat treatment services do you offer?

Vacuum hardening and tempering, annealing and solutionizing, vacuum brazing, stress relieving and normalizing, high-pressure gas quenching, and specialised tool steel treatments — all under one service network.

What materials can you treat?

Alloy and tool steels, stainless and precipitation-hardening steels, nickel and cobalt alloys, titanium and aluminium alloys, copper and beryllium copper, and powder-metal or sintered components.

Do you accept small quantities or one-off jobs?

Yes. Our capacity scales from single components and small trial batches to large production volumes — the same process discipline applies to every job size.

Are your units certified?

Yes. Our Bengaluru unit is IATF 16949 certified, and our other vacuum heat treatment units operate under ISO certified quality systems — with process records and required documentation furnished professionally.

How do we get a quote?

Share the part drawing or description, material grade, quantity and the outcome you need — hardness, distortion limits or specification. Our team responds with feasibility, schedule and price before anything is committed.

Where are your units located?

We operate 9+ vacuum heat treatment units across India, so jobs are processed and dispatched from the unit nearest your plant — faster turnaround and simpler logistics.

Send Us Your Job

Share your drawing, material and quantity — we'll respond with feasibility, schedule and a quote.

Get a Quote