Quote Originally Posted by tingtsing View Post
1st ,U must calculate the design referance temp.then you can find out the impact test temp,U can find that in Annex D of PD5500,the 2nd question you also can find in Annex D.
thank u for your kind response

how i will calculate design referance temperature for that i should know require Impact test temperature so kindly guide me if i have MDMT what will the steps to fined require impact test temperature?