procurement of white metal lined thrust pads and its carrier for p.a. fan of unit no. 1 and 2 at ph i, sgtps, mppgcl, birsinghpur , white metal lined thrust pads for p.a. fan material: base metal: carbon steel confirming to is 2004 white metal should be virgin free tin based and confirming to is 25/1966, grade 84. copper: 5 to 6 % antimony: 9 to 11 % tin: remainder every thrust pad is to be tested ultrasonically for white metal bond confirming to the specification iso 4386/1 class 2a. dye penetration test on surface & joint for pin holes, inclusion, cracks, etc. confirming to specification iso 4386/3 class a. (as per drawing no.- ee(bmd)-i/f-13) , thrust pad carrier for pa fan (01 set consisting of two half) material:en36 (as per drawing no.-ee(bmd)-i/c-15)