Dear Sir, Please send your quotation according to our Shell and Tube Heat Exchanger Retubing Project, we need material as follow : 1. U Tube bundle, with specification below : Material : JIS STB 42 ( or equivalen) Outer dia : 19.05 mm Thickness : 2.0 (2.3) mm Eff Length : 18.008 mm Quantity : 566 pcs 2. Baffle Plate , with specification below : Material : JIS SS 41 ( or equivalen) Shell Inner dia. : 1200 mm Thickness : 16 mm Quantity : 6 pcs 3. Tube Plate, with specification below : Material : JIS SF 50A ( or equivalen) Thickness : 265 mm Quantity : 1 pc We are looking forward for your reply as soon as possible. Thank you for your cooperation. Regards, Ananto Setiawan