Define what medal conducts heat best?

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How gold can be separated from mercury?

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We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?

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When might secondary melting processes be unnecessary?

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what is the metallurgy use?

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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

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How is solution annealing carried out? Define what type of furnace is required? Does one need to be heat in a salt bath?

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Define what is the difference between stainless steel and alloy steel?

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Why is chromium molybdenum steels used to build pressure vessels? Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

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Define what are ceramics?

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what is proeutectoid ferrite and cementite?

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what is the composition of grey cast iron grade 20?

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