Description
STRUCTURAL & MECHANICAL TUBES / HIMOUNT
Special Roller Tube
ERW steel pipe and tube family page for structural, mechanical, pressure, galvanized, and utility applications. Buyers should confirm the correct standard by final use instead of treating ERW as a complete specification.
Product codeHM-TUBE-002
Product familyERW steel pipe and tube family
ProcessSeamless or welded mechanical tube by drawing
Grade referenceProject-specified mechanical tube grade
Product Categories
RFQ Checklist
- Standard and grade
- OD/section size
- Wall thickness
- Length and tolerance
- Surface or coating
- Certificate and inspection
Manufacturing & Service
Product Overview
ERW steel pipe and tube family page for structural, mechanical, pressure, galvanized, and utility applications. Buyers should confirm the correct standard by final use instead of treating ERW as a complete specification.
Key Specifications
| Product family | ERW steel pipe and tube family |
|---|---|
| Primary standard / project reference | Project drawing / ASTM / EN / GB by application |
| Grade / material reference | Project-specified mechanical tube grade |
| Manufacturing route | Seamless or welded mechanical tube by drawing |
| Size range | OD/section size, wall thickness, length, grade, end finish, coating, and test scope by selected standard. |
| Order details to confirm | Standard, grade, size, wall thickness, length, tolerance, surface/coating, quantity, inspection scope, and destination port. |
International Model Search Index
Common international standard, grade, size and RFQ phrases buyers use when searching or preparing a steel enquiry.
Standards and grade calls
EN 10305 E235E355ASTM A513 Type 1/2STKM11ASTKM13AQ235Q355 conveyor roller tube
Size and order phrases
roller tube OD 63.57689108133 mmtight length tolerancestraightness and roundness control
Buyer search phrases
conveyor roller tube supplierEN 10305 E355 roller tubezinc coated idler tube
Index terms are for RFQ routing and search visibility. Final supply must follow the ordered standard edition, project specification, drawing, MTC and inspection plan.
Common International Models And Size Keywords
| Common standards | EN 10305 precision tube family, ASTM A513, ASTM A500, JIS G3445, project roller tube specification |
|---|---|
| Common grade families | E235, E355, 1020/1026, A500 Gr.B/Gr.C, STKM11A-STKM13A, Q235/Q355 |
| Common size keywords | Conveyor roller tube, idler tube, OD, wall thickness, length tolerance, straightness, roundness, zinc coating |
| RFQ confirmation | Roller application, OD/wall/length, weld bead control, straightness, surface, coating, packing and MTC |
These common model, grade and size keywords are included to help international buyers route RFQs. They are not automatic equivalents; final supply follows the ordered standard, project specification, MTC and inspection plan.
Common RFQ Model Search Keywords
| Grade model examples | EN 10305 E235, E355, ASTM A513 Type 1/2, STKM11A, STKM13A, Q235, Q355 conveyor roller tube |
|---|---|
| Size / order examples | roller tube OD 63.5, 76, 89, 108, 133 mm; tight length tolerance; straightness and roundness control |
| Buyer search phrases | conveyor roller tube supplier; EN 10305 E355 roller tube; zinc coated idler tube |
These buyer-style keyword examples are for inquiry matching and Google indexing. They should be confirmed against the buyer drawing, ordered standard edition, project specification and MTC before quotation.
International Standard Reference
| Reference | Buyer-facing use |
|---|---|
| ASTM A500 / EN 10219 | Structural hollow-section references. |
| EN 10217 / ASTM A53 | Pressure or general pipe references by application. |
| Buyer specification | Selects the correct grade, dimensions, testing, and coating. |
Common Export Specification Examples
| Standard family | Common grade / model | Typical export wording | Search phrase examples |
|---|---|---|---|
| EN 10305 / DIN legacy | E235, E355, St37.4, St52 | Conveyor roller tube; OD 63.5, 76, 89, 108, 133 mm; tight straightness | EN 10305 E355 roller tube, ST52 idler tube |
| ASTM / JIS mechanical tube | ASTM A513, STKM11A, STKM13A | Weld bead control, roundness and length tolerance by roller design | ASTM A513 conveyor roller tube |
| Surface options | Black, oiled, zinc coated | Packing and end condition by roller production line | zinc coated idler tube supplier |
These examples are practical RFQ and search terms used by international buyers. Final quotation should follow the ordered standard edition, project drawing, mill test certificate and inspection plan.
Comparable International References
| Reference family | How buyers use it | Quotation note |
|---|---|---|
| EN 10025 S235/S275/S355 | Common European structural steel grade family used for plate and section enquiries. | Confirm subgrade and impact requirement. |
| ASTM A36 / A572 / A516 / A131 | Common ASTM plate references for structural, HSLA, pressure vessel, and marine applications. | Use product application and code to select. |
| JIS G3101 / JIS G3106 / ship-class grades | Regional comparison references for structural and marine plate RFQs. | Classification society or project code controls final selection. |
International references are for procurement comparison only. They are not direct substitutions unless the buyer specification, project code, and engineering review approve the change.
Applications
- Structural pipe and tube
- Mechanical tube
- Utility pipework
- Galvanized pipe projects
- General fabrication
Testing And Documentation
- MTC to selected standard
- Dimensional inspection
- Weld and surface inspection
- Hydrostatic or NDE test when required
- Coating inspection when coated
Packing And Delivery
Pipes and tubes can be bundled, capped, strapped, oiled, galvanized, painted, wrapped, labeled, or seaworthy packed according to product type and shipment method.
Inquiry Information
Please send standard, grade, OD or section size, wall thickness, length, quantity, surface/coating, destination port, and certificate or inspection requirements.
