... B 163 (Condenser and Heat Exchanger Tube), ASTM B 165 (Seamless pipe and Tube), ASTM B 725 (Welded Pipe), ASTM B 730 (Welded Tube), ASTM B 751 (Welded ... Tube), ASTM B 775 (welded Pipe), ASTM B 829 (Seamless ... As per Customer Drawing and Design) - ASTM B 366, ASME SB 366 (Welded Fittings), SAE AMS 7233 (Rivets), DIN 17743 ...