韩国采购需求：钛棒、钛板、钛管、钛丝、钛卷带、钛法兰

I am looking for a quotation for titanium alloy pipes made from Grade 5 material. The dimensions needed are as follows: a thickness of 3mm, an outer diameter of 48.6mm, and a length of 2500mm. Quantity required is 20 pieces. Additionally, please indicate whether surface treatment through acid cleaning is available, although it's not a strict requirement for this order. Please provide the pricing and lead time for delivery to the Republic of Korea, as well as any other relevant information regarding the specifications or options available. Thank you!