| Property | Parameter | Description |
|---|---|---|
| Product Name | Carbon Steel Welded Pipe | ERW/LSAW/SSAW welded carbon steel pipe |
| Material Grade | ASTM A53 Gr.B / A500 Gr.B / API 5L Gr.B | International grade equivalents |
| Manufacturing Process | ERW, LSAW, SSAW | Electric Resistance Welded, Longitudinal/Spiral Submerged Arc Welded |
| Standard Compliance | ASTM A53, ASTM A500, API 5L, EN 10219, BS 1387 | Meets major international standards |
| Carbon (C) | ≤0.26% | Carbon content per ASTM A53 Gr.B |
| Manganese (Mn) | ≤1.20% | Improves strength and hardenability |
| Phosphorus (P) | ≤0.035% | Controlled for ductility |
| Sulfur (S) | ≤0.035% | Low sulfur for improved weldability |
| Silicon (Si) | ≤0.35% | Deoxidizer in steelmaking process |
| Tensile Strength | ≥415 MPa | Minimum tensile strength per ASTM A53 Gr.B |
| Yield Strength | ≥240 MPa | Minimum yield strength |
| Elongation | ≥22% | Ductility in 50mm gauge length |
| OD Range | 21.3mm - 2540mm | Available outer diameter options |
| Wall Thickness | 0.8mm - 40mm | Standard and custom wall thickness |
| Length | 5.8m - 12m or custom | Standard and custom lengths available |
| Surface Treatment | Black, Galvanized, Anti-corrosion Coated, Oiled | Multiple surface finish options |
| Application | Structural, Water/Gas Transport, Fencing, Scaffolding | Typical application industries |
| Certification | EN 10204 3.1, ISO 9001, API 5L | Quality certifications provided |
| Packaging | Bundled with steel strips, plastic caps on ends | Standard export packaging |
| MOQ | 5 tons | Minimum order quantity |
Ordered 8 tons of ASTM A53 Gr.B ERW pipe, 88.9mm OD x 5.49mm wall, for fire protection sprinkler installations across three commercial sites in Ontario. Material quality was acceptable — chemical and mechanical properties on the 3.1 certificates were within ASTM A53 requirements, and the pipes passed our incoming hydrostatic test checks. However, approximately 15% of the bundle arrived with damaged plastic end caps, exposing the pipe ends to moisture during transit. We found minor surface rust on the exposed ends of around 12 pieces. After raising this with the supplier, they responded within one business day and offered a partial credit for the affected pieces, which was fair. The underlying pipe material was unaffected after cleaning. Delivery was 9 days, which was fast. We would order again but will specify reinforced end protection in the next purchase order.


