KeelGaugeIndustrial Procurement Network
Product RFQ page

ERW Welded Pipe

Structured RFQs for ERW welded steel pipe used in infrastructure, truss, mechanical fabrication, and construction supply chains.

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ERW Welded Pipe manufacturing and export sourcing reference
Reference image for product and loading-context discussion. Final supply evidence is supplier-specific.
SpecificationOD 26-273 mm, project wall thickness, black or treated surface
MaterialQ195, Q235, Q355, ASTM A53 Grade A/B, project-specific grades
StandardsGB/T3091, ASTM A53, EN10219
Surface treatmentBlack, oiled, painted, galvanized by request
ApplicationsInfrastructure, truss, mechanical fabrication, scaffolding, general construction
Packing / loadingBundles, steel strip packing, plastic caps by request, container loading support
Certificate checksMTC, ISO references, third-party inspection coordination when required
RFQ specification table

Details to confirm before price comparison

RFQ fieldQualification guidance
Outside diameter26-273 mm; confirm project range
Wall thicknessProject schedule or mill range confirmation
Length6 m, 12 m, or cut length by request
EndsPlain, beveled, threaded, or grooved by request
Quote basisEXW, FOB, CFR, or CIF destination port
Production-route guidance

How this product is commonly made and qualified

This explains the checkpoints a buyer should verify. It does not claim that KeelGauge manufactures the product or that every supplier uses the same route.

  1. 01

    Verify steel coil or strip grade, heat number, and dimensional input.

  2. 02

    Form the strip through roll stands into the required round profile.

  3. 03

    Complete high-frequency electric resistance welding and control the weld seam.

  4. 04

    Size, straighten, cut, and prepare plain, beveled, threaded, or grooved ends.

  5. 05

    Apply agreed dimensional, hydrostatic, weld-seam, or NDT checks.

  6. 06

    Finish the selected surface, marking, bundling, and loading evidence.

Platform-owned RFQ, certified supplier matching

Buyer information remains in the platform CRM. Supplier specialists only receive assigned, qualified leads for quotation and manufacturing confirmation after platform matching.

Buyer checks before quotation

  • Can you quote by OD and wall thickness?
  • Can MTC and packing photos be checked before order confirmation?
  • Can the platform route technical questions to a matched supplier specialist?
Supplier evidence is matched to the final route

Standards, listings, MTCs, coating records, inspection reports, and project references must belong to the applicable selected supplier and product scope.

Application routes

Where this product is commonly evaluated

ApplicationWater & Fluid Transport

Pipe sourcing for water transmission, utility, drainage, and general fluid transport projects.

ApplicationStructural & Infrastructure

Project sourcing for steel structures, bridges, airports, power systems, and heavy fabrication.

Managed capabilities

Services commonly attached to this RFQ

ServiceDeep Processing

Project-ready cutting, bending, grooving, beveling, punching, threading, and welding coordination.

ServiceInspection & Testing

Visual, dimensional, mechanical, chemical, hydrostatic, NDT, and third-party inspection coordination.

ServicePacking & Shipping

Export bundling, caps, waterproof wrapping, wooden packing, nesting, marking, and loading-plan coordination.

Comparison routes
ProductGalvanized Steel Pipe

Destination-port RFQs for hot-dip galvanized steel pipe used in fencing, greenhouse structures, water systems, and construction.

ProductStructural Pipe

Structured sourcing for medium and heavy-wall structural pipe used in airports, bridges, power grid, and steel structure projects.

Platform Buyer Desk

Build a supplier-ready ERW Welded Pipe request

Include size, wall thickness, grade, standard, surface, processing, quantity, destination, inspection, packing, and purchase timing.

Start structured RFQ
Buyer data stays in the platform CRM.