supply of straight tubes and bends for pressure parts in unit iv and v boiler , supply of straight tubes & bendsfor pressure parts in unit iv & v boilerwith all dimensions and materials as per the drawing enclosed. , water wall screen tube of size 76.1 x 7.1 sa 210 gr. c , straight tube of size od 88.9 mmx 5.49 mm thick sa 106 gr. b , straight tube of size ø 54 x 3.6 mm sa 213 t 22 , straight tube of size od 73.03 mmx 14.02 mm thick sa 106 gr. b , re heater coil bend no. 104 of ø 54 x 3.6 mm sa 213 t22 , re heater coil bend no. 105 of ø 54 x 3.6 mm sa 213 t22 , re heater coil bend no. 106 of ø 47.63x 3.4 mm sa 213 t22 , re heater coil bend no. 107 of ø 47.63x 3.4 mm sa 213 t22 , re heater coil bend no. 108 of ø 47.63x 3.4 mm sa 213 t22 , re heater coil bend no. 109 of ø 47.63x 3.4 mm sa 213 t22 , short bend of size 114.3 x 6.02 mm radius 1.5d, sa 106 gr b , short bend of size od 168.3x 7.11 mm radius 1.5d, sa 106 gr b