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Mf Section C Manufacturing
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Class 2592 - Treatment and coating of metals; machining

PSIC Class 2592 covers Treatment and coating of metals; machining. Current child subclasses include Treatment and Coating of Metals; Machining. This four-digit layer is useful when comparing neighboring activities...

Level Class
Hierarchy depth 4/5
Children 1
Last verified 2026-08-13
About this level

Practical summary

Class 2592 sits in the PSIC 2019 hierarchy under C Manufacturing > 25 Manufacture of Fabricated Metal Products, except Machinery and Equipment > 259 Manufacture of other fabricated metal products; metal working service activities. This class usually fans out into more specific subclasses such as Treatment and Coating of Metals; Machining. It is the level people use when they already know the activity family but still need the exact five-digit match.

Administrative context

Where this code is used

This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Treatment and Coating of Metals; Machining. It is the level most often checked before a five-digit decision is finalized.

Selection note

How to choose it

Use this class to choose between its final subclasses such as Treatment and Coating of Metals; Machining. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.

Official note

Source-backed description

This class includes: Plating, anodizing, etc. of metals Heat treatment of metals Deburring, sandblasting, tumbling, cleaning of metals Coloring and engraving of metals Non-metallic coating of metals: plasticizing, enamelling, lacquering, etc. Hardening, buffing of metals Boring, turning, milling, eroding, planing, lapping, broaching, leveling, sawing, grinding, sharpening, polishing, welding, splicing, etc. of metalwork pieces Cutting of and writing on metals by means of laser beams This class excludes: Activities of farriers, see 0156; Rolling precious metal onto base metals or other metals, see 242.

FAQ

What does PSIC Class 2592 cover?

PSIC Class 2592 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Treatment and coating of metals; machining.

How do I compare Class 2592 with the sibling classes?

Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include 2591 Forging, pressing, stamping and roll-forming of metal; powder metallurgy and 2593 Manufacture of cutlery, hand tools and general hardware.

Why does Class 2592 matter for a filing decision?

It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.