In LWR What is the range of Destressing temperature in 52 kg and heavier section a. Mean rail temp+5 0C to Mean rail temp+10 0C*
b. Mean rail temp+5 0C to Mean rail temp+15 0C
c. Mean rail temp to Mean rail temp+10 0C
d. Mean rail temp+2 0C to Mean rail temp+10 0C
b. Mean rail temp+5 0C to Mean rail temp+15 0C
c. Mean rail temp to Mean rail temp+10 0C
d. Mean rail temp+2 0C to Mean rail temp+10 0C