Dear Sir/MadamWe are working on Geothermal power plant project in Germany through Linde Engineering India.You are requested to quote for following tube requirements.Size : 15.875 OD x 1.65 thk (Avg.) x 18000 Long (mm) Qty : 9400 nos.Tubes shall be quoted with two standards – EN & ASME (EN is preffered) Material Option-1 : Welded, DIN 28181 TK1; X1NiCrMoCu25-20-5 (1.4539) Material Option-2 : Seamless, DIN 28181 TK1; X1NiCrMoCu25-20-5 (1.4539) Material Option-3 : Welded, SA 249 UNS N08904 or SB 674 UNS N08904Material Option-4 : Seamless, SB 677 N08904We are asking above since client wants option price as per ASME & EN design code.Inspection : Lloyds / BVIS / TUV / DNVPlease quote on CIF, Mumbai, India basis.We need your quotation very urgently.