When sourcing large-diameter piping solutions for fluid transport, structural frameworks, or industrial processing, engineers consistently turn to advanced welded steel products that balance bore capacity with material efficiency. Our inventory features high-performance options such as Big Bore Light Wall Carbon Steel Welded Tube, Oversized Caliber Slim Wall Welded Steel Pipe, Wide Diameter Low Thickness Carbon Steel Tube, and Broad Bore Thin Gauge Welded Steel Pipe. Each product is engineered to deliver consistent roundness, straightness, and weld integrity even at substantial outer diameters with reduced wall thicknesses, making them cost-effective replacements for heavier schedule pipe in non-pressurized and low-pressure systems. By leveraging automated high-frequency welding and in-line annealing, we ensure that the base carbon steel retains its ductility and strength, while the fine wall profile significantly reduces weight per meter without compromising the bore needed for maximum flow volume.
<产品名字> is manufactured to meet the rigorous demands of modern infrastructure, agricultural irrigation, HVAC ducting, and light structural piling. The combination of wide caliber and fine wall geometry allows for rapid installation, lower freight costs, and easier on-site handling. Below you will find the detailed specifications that define this product category.
| Parameter | Specification |
|---|---|
| Outer Diameter Tolerance | ±1% of nominal OD (for OD ≤ 426 mm); ±0.75% for larger sizes |
| Wall Thickness Variation | ±0.1 mm for WT ≤ 2.5 mm; ±4% for thicker walls |
| Straightness | Max 0.2% of total length deviation |
| Weld Flash | Removed internally and externally, smooth to base metal |
| Yield Strength (min) | 235 MPa (S235) / 355 MPa (S355) |
| Tensile Strength (min) | 360 – 510 MPa (S235) / 470 – 630 MPa (S355) |
| Elongation (min) | ≥ 21% (S235) / ≥ 20% (S355) |
| Hydrostatic / Non-destructive Testing | Eddy current or ultrasonic test per standard; hydrostatic upon request |
