Answer Posted / pawan
it is a strong material having good bearing capicity of
heat and oxidisation of materil is less opertunity then
other
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
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
Are all metals heavy? Explain.
The Hardness of wheel(or)grade of wheel refers to the
How to calculate heat affected zone in weld?
Which method has more procity in cast part? Which method has more strength in cast part?
Unlike materials as well as materials of different thickness can be butt welded by ?
Which type of key is used between shaft and pulley?
What type of grinding is used for harder materials?
For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
What is residual stress?
What is round-robin scheduling in OS?
Which liquid would oyu use to dissolve gold?
Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
What is iron ferrite?
what is difference between IS 1018 and IS 2062 E 250A
