Differentiate between ferrite percentage and ferrite number?

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what is the composition of cast iron grade 35

2 Answers  

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Is it possible to design heat treatment processes such that a gradient in grain size is produced?

4 Answers  

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Explain metallurgical microscopes?

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What happens when the mercury of a thermometer spills over the gold ring?

0 Answers  

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Define stiffness.

0 Answers   Essar,

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Explain proeutectoid ferrite

1 Answers  

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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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Can 1026 steel be welded?

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what is the metallurgy use?

0 Answers  

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what is wedge load test method . what is offset method .

0 Answers   Essco Steels India,

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What is carbon steel ?

0 Answers   NIC,

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