Our process

From receipt to
certified dispatch.

A documented, repeatable five-stage workflow; every component leaves with full traceability.

Receive & Inspect

Every consignment is logged against its job card, photographed, and checked for dimensions, surface condition and transit damage before it is accepted. Material grade is confirmed against your documentation.

~1 hr

Engineering Review

A metallurgist sets the cycle for your grade and section thickness: austenitising temperature, soak time, quench medium and tempering schedule. Fixturing and load orientation are planned to control distortion, and the QA checkpoints are agreed before the furnace is loaded.

2–3 hrs

Heat Treatment

The load is charged to whichever furnace suits its size, then held, quenched and tempered to the cycle set at review. Temperature is monitored throughout, and furnace, cycle and operator are recorded against the job card.

6–10 hrs

Test & Validate

Hardness is verified on the treated part. Ultrasonic, magnetic particle or dye penetrant inspection is applied where the specification calls for it, and mechanical properties are confirmed on the 40 tonne universal testing machine.

3–4 hrs

Certify & Dispatch

Results are compiled into a QA report and certificate of conformity, tied to the job card so the batch stays traceable after it leaves. Parts are then packed and released for collection or delivery.

1–2 hrs

Typical single-batch turnaround

0hrs

Standard components, single furnace cycle; start to certified dispatch. Larger batches or multi-cycle treatments run longer; express lanes available on request.

Inside the furnace

A treatment is a sequence, not a heat.

Hardening and tempering is a controlled path through temperature and time. Temperatures and hold times change with the grade and the section thickness; the stages do not. This is the shape of a typical cycle.

Illustrative. Your cycle is set at engineering review against the grade, section thickness and the specification you supply.

Plant and capacity

Will your part fit?

Fifteen furnaces across five configurations. The largest box furnace takes components up to six metres long; the deepest pit furnace takes a metre and a half of vertical section.

Furnace	Working dimensions	Max temperature	Heating	Units
Pit furnace	Ø1300 × 1500 mm deep	1200 °C	Electric	3
Pit furnace	Ø900 × 1200 mm deep	1200 °C	Electric	1
Pit furnace	Ø800 × 1000 mm deep	1200 °C	Electric	4
Box furnace	6000 × 2500 × 2000 mm	1200 °C	Gas fired	2
Box furnace	1200 × 1200 × 2000 mm	1200 °C	Gas fired	5

Quench tank

Oil, for hardening and case work

30,000 litres

Overhead cranes

Electric travelling, two units

5 tonne each

Induction hardening machine

For shafts, journals and wear faces

Ø700 × 1500 mm

Working dimensions are the usable envelope inside the furnace. If your component is close to a limit, send the drawing and we will confirm before you ship.

Test and validate

Every figure on a certificate traces back to an instrument.

Hardness is checked on every batch. Non-destructive inspection is applied where your specification calls for it, in-house, on the equipment below.

Universal testing machine

Tensile and mechanical property confirmation

40 tonne

Brinell hardness tester

Bulk hardness on castings and forgings

to 3 tonne

Rockwell hardness tester

Hardness on finished and case-hardened work

to 500 kg

Dynamic hardness testers

Portable verification on the floor, two units

DHT-6

Poldi hardness tester

Portable comparison testing on large sections

Ultrasonic flaw detector

Sub-surface defects and internal soundness

Einstein-II DGS

Magnetic particle inspection

Surface and near-surface cracks in ferrous work

Magnaflux Y2

Dye penetrant inspection

Surface-breaking defects on finished components

Certify and dispatch

What leaves with your parts.

Treated components are only half of it. Every batch is released with the paperwork that lets you put it into production, and that record stays on file afterwards.

QA and test report

Measured hardness and the results of every test performed on the batch.

Certificate of conformity

The treatment carried out, stated against the specification you supplied.

Traceability record

The job card tying the batch to its furnace, cycle and operator.

Need a specific certificate format, a witnessed test, or third-party inspection? Ask at enquiry and it is built into the job card.

Capabilities behind the process

The scale that makes it possible.

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Heat Treatment Furnaces

Atmosphere, vacuum, distilled water bath & induction

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Components Annually

From prototypes to high-volume runs

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Years of Expertise

Deep metallurgical domain knowledge

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Express Turnaround

For urgent production requirements