طلبات معدن حديد فولاذ / تركيا

We are looking for steel box pipes for culvert crossings on roads (Bridge uses). Below are the specifications: Length: 13 meters Diameter: 1.2 to 2 meters Thickness: 15mm to 20mm Pipe Weight: Please specify Technical Specifications and Manufacturing Standards: Please specify Price: Please provide Delivery Times: Please provide

I am interested in construction iron.