Official definition
This Canadian industry comprises establishments primarily engaged in the production of welded or seamless iron and steel pipes and tubes, and heavy, rivetted steel pipes, from purchased steel.
Canadian industry
331210 Iron and steel pipes and tubes manufacturing from purchased steel
Fabrication de tubes et de tuyaux en fer et en acier à partir d'acier acheté
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Iron and steel pipes and tubes manufacturing from purchased steel |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 33121 - Iron and steel pipes and tubes manufacturing from purchased steel |
| International correspondence | C2431* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-08-13 |
Canada-wide tax and filing context
Canada-wide business, tax, and filing context from the local country pack and tax pack.
| Characteristic | Description |
|---|---|
| Tax authority | Canada Revenue Agency (CRA) |
| Business identifier | Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax. |
| Filing requirements | Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34 |
| Sector authority | No cluster authority recorded in the local country pack. |
Examples
- boiler tubes, made from purchased steel
- line pipe for oil or gas, made from purchased steel
- oil pipe and tube (e.g., casing, tubing, drill pipe), made from purchased iron or steel
- steel pipe and tubing, made from purchased steel
- tubes, pipes or conduits (e.g., heavy riveted, lock joint, seamless, welded), made from purchased iron or steel
- well casing (e.g., heavy riveted, lock joint, welded, wrought), made from purchased iron or steel
Who is this code for
This code typically applies to:
Also relevant for
boiler tubes, made from purchased steelline pipe for oil or gas, made from purchased steelsteel pipe and tubing, made from purchased steel
Source: STATCAN_TITLE, 2026-08-13
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-08-13)
International crosswalk — ISIC Rev. 4 mapping: C2431*
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 5 levels confirmed in hierarchy
Size or threshold documented — SME thresholds documented in federal tax pack
Trade or export match — No direct HS code correspondence in current bundle
Legacy crosswalk — Legacy system (SIC 1980) retired in this region
Business Profiles
When you might need code 331210
These role examples come from the official title and example wording attached to this code.
01
331210
Iron and steel pipes and tubes manufacturing from purchased steel
Use this page when the business is directly described by the official title or definition for 331210 Iron and steel pipes and tubes manufacturing from purchased steel. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
331210
boiler tubes, made from purchased steel
Use this page when the activity is described in the official StatCan example wording as boiler tubes, made from purchased steel. Compare the definition, exclusions, and nearby codes here before attaching 331210 Iron and steel pipes and tubes manufacturing from purchased steel to a business file.
03
331210
line pipe for oil or gas, made from purchased steel
Use this page when the activity is described in the official StatCan example wording as line pipe for oil or gas, made from purchased steel. Compare the definition, exclusions, and nearby codes here before attaching 331210 Iron and steel pipes and tubes manufacturing from purchased steel to a business file.
04
331210
steel pipe and tubing, made from purchased steel
Use this page when the activity is described in the official StatCan example wording as steel pipe and tubing, made from purchased steel. Compare the definition, exclusions, and nearby codes here before attaching 331210 Iron and steel pipes and tubes manufacturing from purchased steel to a business file.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
- 331210Iron and steel pipes and tubes manufacturing from purchased steel
ISIC Rev. 4 correspondence
C2431*Casting of iron and steel
Approximate correspondence
Iron and steel pipes and tubes manufacturing from purchased steel
US NAICS reference331210 - Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
Source row
331210Iron and steel pipes and tubes manufacturing from purchased steel
This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.
Frequently asked questions
What does code 331210 cover?
Iron and steel pipes and tubes manufacturing from purchased steel: This Canadian industry comprises establishments primarily engaged in the production of welded or seamless iron and steel pipes and tubes, and heavy, rivetted steel pipes, from purchased steel.
Which level of the hierarchy is 331210?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 331210?
It rolls up to 33121 Iron and steel pipes and tubes manufacturing from purchased steel.
Should I stop at 331210 or go lower?
This page already points to the exact six-digit Canadian industry in the current site structure.
Are official inclusion notes attached to 331210?
No inclusion rows are attached to this page in the local elements file.
Are there exclusion notes for 331210?
No exclusion rows are attached to this page in the local elements file.
Does 331210 include illustrative examples?
Yes. 6 example row(s) are available for boundary checking.
What kinds of businesses often start from this page?
Examples in this branch include Wood products, Consumer goods, Food processing, Metal fabrication.
Is there an ISIC mapping for 331210?
Yes. The page shows C2431* Casting of iron and steel.
Does this page show a US NAICS reference?
Yes. A same-code US reference is attached: Iron and Steel Pipe and Tube Manufacturing from Purchased Steel.
Why are both English and French titles shown?
NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.
Where does the page text come from?
From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.