Define what is the melting point of e70 steel, 304,308,316 stainless steels? In addition, define what is the hottest part of the flame in a fire?

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Explain metallurgical microscopes?

0 Answers  

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What is carbide?

0 Answers  

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Throw some light on hardening abilities of metals?

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Why cutting fluid is used in machining?

0 Answers   NIC,

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Define what is the metallurgy use? Define what is the casting and forging?

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HOW ARC PRODUCE IN ELECTRIC ARC FURNACE

3 Answers  

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What is the most ductile metal?

0 Answers   NIC,

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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

0 Answers   Leader Valves,

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Which pump is preferred for small discharge at high pressure?

0 Answers   NIC,

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

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diffrent beetwen eutoctoid &eutectic steel

8 Answers   KRL, Qatar Steel,

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