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what is difference between IS 1018 and IS 2062 E 250A
The requirement for ASTM A217 Gr. WC9 castings for valves components like Body and Bonnet were Normalising at 920+/- 20 Deg. C and Tempring 780+/- 20 Deg. C The specification calls furnace shall be calibtated within +/-14 deg. C The Heat Chart shows minimum temperature for normalising 900 to 920 Deg. C, but maximum temperature 960-990 Deg. C Tempering 780+/-20 Deg. C is within limits and accepted. Casting having integral test bars, heat trated along with castings passed in chemical znalysis and mechanical properties. Since normalising maximum temperature is not meeting specification, where castings can be salvaged or renormalised and retempered to meet specification. Whether it will have affect on remechanical properties testing
difference between sand casting and shell casting
What is the material of E185
On which basis annealing cycle of steel bars of UpTo 6 MTR can be decided.we r charging 40-45 metric ton load for annealing in bogie furnace?
Discuss about advatages and limitations of powder metallurgy.
What is select miller cutter?
What is hot working of metals? Give some of its principal methods.
What is the usgae of angle plate ?
Define grinding.
What Is cold working of metals? Give some of its principal methods.
What is calibration of an instrument?
Define knurling.
What is a master gauge ?
What is round-robin scheduling in OS?
