赞比亚采购需求：不锈钢焊条、不锈钢管、平焊法兰、镀锌管、聚氨酯防水涂层、不锈钢板

I'm looking for a quote on some carbon steel materials for an upcoming project. The requirements include a set of 6m long pipes with specific outer and inner diameters, along with carbon steel elbows, tees, and a nipple. Additionally, I need several piping brackets and U-bolts, all complete with nuts for assembly. Please provide the pricing, availability, and lead times for these items. A detailed breakdown would be appreciated. Let me know if you need any further specifications or details to facilitate the quoting process. Thank you!