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Gnee Steel offers a wide range of structural steel pipes, including seamless and welded types, available in sizes from 1/8” NPS to 48” NPS. Compliant with ASTM A53, A106, API 5L, and GB/T 8163 standards, these pipes provide high strength and stability for structural engineering, construction, and pipeline applications. Available in various end finishes (plain, beveled, threaded) and surface treatments (oiled, painted, coated).
| Material Grade | ASTM A53 / ASTM A106 / API 5L / GB/T 8163 | Standard | ASTM A53 / ASTM A106 / API 5L / GB/T 8163 |
| Thickness Range | SCH 10 ~ SCH XXS (Wall thickness varies by OD) | Width Range | N/A (Pipe) |
| Length Range | Fixed Length (5.8m, 6m, 11.8m, 12m), SRL, DRL | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | 0.06-0.30 | Si | 0.10-0.40 |
| Mn | 0.27-1.60 | P | ≤0.050 |
| S | ≤0.050 | Tensile Strength | ≥330 MPa |
| Yield Strength | ≥180 MPa |
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