Scaffolding Leveling Base Jack (Solid & Hollow Screw Jacks)
Our scaffolding leveling base jacks—available in both heavy-duty solid and hollow (tubular) steel spindles—provide essential…
We are a professional manufacturer specializing in BS1387 and ASTM A53 welded steel pipes, primarily used for fluid transportation and structural applications. With over 15 years of export experience, our carbon steel tubes are produced under strict quality control, ensuring each pipe meets international standards such as DIN, JIS, and API 5L. Our facility offers comprehensive surface treatments including hot-dipped galvanization, painting, and oiling to provide superior corrosion protection for global industrial projects.
| Category | Technical Data Details |
| Standard | BS 1387, ASTM A53, BS EN 10219, DIN EN 10217, JIS G3444, API 5L |
| Material Grade | Q195 / Q235 / Q345, S195GT, S235GT, S355JOH |
| Outer Diameter (OD) | 1/2” – 10” (21.3mm – 273mm) |
| Wall Thickness | 1.2mm – 14mm |
| Length | 1m – 16m (Standard 5.8m/6m or Customized) |
| Surface Treatment | Hot-dipped Galvanized, Painted, Oiled, Anti-corrosion coating |
| End Treatment | Plain, Threaded, Grooved, Beveled |
| Section Shape | Round |
| Tolerance | OD: +/-0.3mm; Thickness: +/-0.1mm |
| Testing | 100% Hydrostatic Testing (Fluid Tube) |
A: Our standard MOQ is one full 20ft container. We accept mixed sizes and grades within a single container to meet your project needs.
A: Yes. We have a professional QC team and support third-party inspections (such as SGS or BV). We also provide ISO certificates for all shipments.
A: Yes, samples are available free of charge. You only need to cover the courier cost.
A: We offer a variety of end treatments including plain ends, threading (with couplings or caps), grooving for mechanical joints, and beveling for welding.