1. The uses of large-diameter straight-seam welded steel pipes can be divided into oil well pipes (casing, oil pipes, drill pipes, etc.), pipeline pipes, boiler pipes, mechanical structure pipes, hydraulic support pipes, gas cylinder pipes, geological pipes, chemical pipes (high-pressure fertilizer pipes, petroleum cracking pipes) and ship pipes, etc.
2. The thicker the wall thickness of the solution, the more cost-effective and wise it is. The thinner the wall thickness, the greater the processing cost;
3. The process of the product determines its limitations. From the general seamless steel pipe, the precision is low: uneven wall thickness, low brightness pipe appearance, high cost of fixed length, and in the appearance of pitting, the black spots are difficult to take away;
4. Detection and plastic must be processed offline. So large-diameter straight-seam welded steel pipes are in higher pressure, high strength, and mechanical structure wood reflects its superiority.
5. The corrosion resistance of large-diameter straight-seam welded steel pipes depends on the alloy components. Chromium is the basic component of corrosion-resistant stainless steel, about 12% of the steel contains chromium. Chromium reacts with oxygen in the corrosive medium to form a thin oxide film (passivation film) matrix on the steel surface to prevent further corrosion of the steel pipe.
Post time: Jan-02-2025