tender for pig iron for foundry purpose grade -3.4 designation - pg si 4 mn 3 p 40 massof pig iron 02 kg. (min.) to 12 kg.( max) per piece without notch & phosphorus premittedbetween 0.1 to 0.4 specification no. to is 13502/1992, table- 2 (reaffirmed 2014) .
