ISO 9001:2015 Certified Company

Precision Heat Treatment & Metallurgy Excellence

Over 28 years of specialized experience in metallurgical thermal processing, delivering industrial-grade annealing, hardening, case carburizing, and tempering services in Bengaluru.

Technologically Advanced Commercial Heat Treating Services

Founded in 2018 in Peenya, Bengaluru's premier industrial hub, G R B Quality Heat Treaters is a leading solution-oriented provider of commercial heat treating services. If you are searching for high-quality heat treating companies near me, our facility is equipped with state-of-the-art controlled atmosphere furnaces to handle precise metallurgical requirements.

We take immense pride in providing superior customer service, competitive pricing, and impeccable on-time delivery. As an ISO 9001:2015 certified company, we ensure every processed component meets exact client specifications and structural performance standards.

Our greatest asset is our deep technical knowledge, guided by our Managing Partner, a seasoned metallurgist with more than 28 years of experience in Heat Treatment Processes.

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Years Experience
In Metallurgical processes
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Pit Furnaces
State-of-the-art facilities
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Established
Serving industries in India
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Quality Assured
ISO 9001:2015 Certified

Advanced Metal Heat Treatment Services

Tailored thermal processing cycles for engineering and automotive components to optimize hardness, strength, ductility, and wear resistance.

Case Hardening & Tempering Process

Case Hardening & Tempering

Creates a wear-resistant outer layer while maintaining a tough, ductile core. Crucial for heavy-load parts.

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Case Carburising & Annealing Process

Case Carburising & Annealing

Diffuses carbon into the surface of low-carbon steel components followed by quenching to increase surface hardness.

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Annealing, Spheriodizing, Ferritizing

Annealing & Spheroidizing

Softens metals, refines grain structures, and improves machinability through controlled furnace heating and cooling cycles.

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Normalizing Process

Normalizing

Heats steel components to refine grain structures and eliminate internal stresses, improving mechanical properties.

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Stress Relieving Process

Stress Relieving

Reduces residual stresses in steel parts caused by heavy operations like machining, casting, or welding without altering structural phases.

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Hardening & Tempering

Hardening & Tempering

Combines thermal hardening cycles with tempering to optimize strength, hardness, and fracture toughness in medium to high carbon steel.

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Why Partner With G R B?

Engineering excellence and metallurgical precision that guarantees mechanical performance.

Modern Pit Furnaces

Equipped with Gas Carburizing Furnaces (GCF) of working areas up to 750 x 1400 mm for precise atmosphere-controlled thermal cycles.

Metallurgist Leadership

Led by a Managing Partner who is an experienced metallurgist with 28+ years of technical authority in heat treatment operations.

On-Time Delivery

Efficient furnace cycle planning and logistics synchronization ensure quick turnaround and on-time component batch delivery.

ISO Certified Quality

Our operations comply fully with ISO 9001:2015. We maintain a high standard of quality tracing at every furnace charge.

Our Heat Treatment Process Flow

Our disciplined step-by-step procedure guarantees repeatable structural properties and structural integrity.

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1. Technical Inquiry

Understanding client component requirements, material grades, drawing specifications, and target case depth or hardness levels.

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2. Incoming Inspection

Verifying drawing tolerances, checking surface conditions, and conducting pre-process hardness testing on critical raw parts.

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3. Process Cycle Planning

Defining heating rates, soaking times, furnace atmospheres (carburizing gas flow), and custom quenching parameters for the batch.

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4. Controlled Furnace Processing

Components are loaded into specialized pit-type Gas Carburizing Furnaces (GCF) or tempering ovens for exact thermal processing execution.

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5. Metallurgical Lab Testing

Checking case depth, microstructure profile, and conducting Rockwell or Brinell hardness validation in our testing laboratory.

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6. Cleaning & Final Delivery

Post-process parts cleaning, rust-preventive application, final batch packing, and dispatch with quality inspection certificates.

Advanced Furnace Setup

Our facility is equipped with various sized Gas Carburizing and tempering furnaces to handle diverse component sizes.

Gas Carburizing Furnace GCF-1

GCF – 1

Working Size: Ø600 X 1400 mm
  • Controlled Gas Carburizing
  • Uniform Heat Distribution
  • Atmosphere-controlled sealing
Gas Carburizing Furnace GCF-2

GCF – 2

Working Size: Ø650 X 1400 mm
  • Auto Temperature Controls
  • Precision Carbon Potential control
  • Vertical Pit-Type configuration
Gas Carburizing Furnace GCF-3

GCF – 3

Working Size: Ø750 X 1400 mm
  • High Volume Charge Capacity
  • Precise metallurgical control
  • Fast oil quenching interface
Explore Infrastructure & Lab Equipments

Industries We Serve

Delivering specialized heat treatment conforming to strict standards for complex applications.

Aerospace

Automotive

Defense

Railways

Medical

Oil & Gas

Tool Manufacturing

Precision Engineering

Trusted by Leading Manufacturing Companies

What Our Clients Say

Hear from the engineering and quality managers who trust us with their critical heat treatment requirements.

"We have been working with GRB Quality Heat Treaters for over 4 years. Their case hardening quality for our gear components has been exemplary, achieving precise case depth consistency every time. Their technical advice has saved us hours in sample testing."

Mr. Rajesh Gowda Quality Manager, Automotive Parts Supplier

"The team at GRBHT under the guidance of their metallurgical partner are true professionals. For tool-room requirements that demand exact tempering and solution annealing cycles, they have proven to be the most reliable heat treaters in Bangalore."

Mr. K. Srinivas Proprietor, Precision Engineering Tool Room

"On-time delivery and detailed micro-structural reports. The documentation and certificate of conformance provided with every batch align perfectly with our rigorous ISO standards."

Mr. Anand Dixit Operations Lead, Heavy Engineering Works

Frequently Asked Questions

Answers to primary questions regarding metal thermal processing, furnace limits, and material specs.

What kinds of materials can you process in your furnaces?

We process a wide range of steel alloys, low carbon steels, tool steels, and engineering iron castings. This includes case carburizing steels (like 20MnCr5, EN353), medium carbon steels (EN8, EN9, EN19), and custom high alloy steels for industrial tool components.

What is your maximum furnace charge size?

Our largest pit-type furnace (GCF-3) features a working diameter of 750 mm and a vertical working depth of 1400 mm. Components fitting within these dimensions can be processed comfortably. For specific batch weights, please consult our engineering team.

What testing capabilities do you have in your laboratory?

Our metallurgical inspection lab is equipped with Rockwell Hardness testers, Brinell Hardness testers (up to 3000Kg load), a Rockwell-cum-Brinell tester, Metallurgical Microscope, Micro Hardness testers, Portable Hardness testers, and metallographic sample preparation polishing machines.

Are you ISO certified?

Yes. G R B Quality Heat Treaters is fully certified under ISO 9001:2015 standards, ensuring that all our operations, documentation, calibrations, and metallurgical testing protocols adhere to strict international quality management standards.