Ø88.9×5.49 mm (NPS 3" DN 80 Sch 40) ASTM A53 Steel Pipe
88.9x5.49mm Steel water & gas pipe in ASTM A53 Grade A to ASTM A53/A53M, with an uncoated steel surface suitable for further processing or painting. Nominal weight 11.293016 kg/m.
Minimum order
Minimum 10 t per size. If the size is already in the current production cycle, we can accept orders from 5 t. Standard length 6 m; 4–12 m on request. We confirm the minimum, lead time and grade in your quote.
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Minimum order: 74 pieces
Minimum order: 10 t per size (from 5 t if the size is in production)
Applications & Usage
This heavy-duty structural Steel water & gas pipe is commonly specified for framework, support structures, machinery bases, and industrial equipment. The 5.49mm wall thickness provides superior load-bearing capacity while maintaining workability. The natural mill finish provides a cost-effective solution for applications where aesthetics are secondary. Available in standard lengths of 6m, this profile can be easily cut, drilled, and welded to suit your specific requirements.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | Ø 88.9mm × 5.49mm wall |
| Weight per Meter | 11.293 kg/m |
| Material | Steel |
| Alloy/Grade | ASTM A53 Grade A |
| Standard | ASTM A53/A53M |
| Standard Length | 6m |
| Nominal Size (NPS / DN) | NPS 3" / DN 80 |
| OD × Wall (inch) | 3.500 × 0.216 in |
| Schedule | Sch 40 |
| Weight (lb/ft) | 7.58 lb/ft |
| Hydrostatic Test Pressure | 2220 psi (15.3 MPa) |
| Minimum Order per Size | 10 t |
| Cut-to-Length Range | 4000 – 12000 mm |
Section Properties
Nominal values calculated from nominal dimensions.
| Property | Value |
|---|---|
| Cross-sectional area(A) | 14.4 cm² |
| Second moment of area(I) | 126 cm⁴ |
| Radius of gyration(i) | 2.96 cm |
| Elastic section modulus(Wel) | 28.3 cm³ |
| Plastic section modulus(Wpl) | 38.3 cm³ |
| Torsional inertia constant(It) | 251 cm⁴ |
| Torsional modulus constant(Ct) | 56.5 cm³ |
| Surface area per metre(As) | 0.279 m²/m |
| Length per tonne | 88.6 m |
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