Dear Sir.We want to buy seamless steel elbows as follows:Diameter thickness quantity 16 Ench 10 mm 1014 Ench 10 mm 5010" 10 mm 506" 5 mm or more 502" 5 mm or more 200We prefer to discuss on watts for speed.Hope to receive your offer ASAPRegards,Abdul Hamid Al watts app 00905458464431