... hollow section, angle steel, channel steel, H beam, I beam; We can aslo provide stainless pipe, seamless pipe, mallable iron pipe ... company cultrue, so just have a try, maybe you can get an better and steady supplier.45° elbow details: BrandCENTRUEAlloy or ... , the others should be ready in 20days.Further treatment: We can provide cutting, painting, drilling holes, bending, threading, welding, ...