What is tack welding ?

0 Answers   Essar,

---

How to melt the solidified copper accretions in copper scrap melting furnace?

0 Answers  

---

Why same casting has different hardness and machine-ability properties?

0 Answers  

---

What is a silver in deming drill bit?

0 Answers  

---

How much gold is in a troy ounce?

0 Answers  

---

Define what is the minimum temperature for stress relieving of astm a 519 gr.4130 material and please tell us where we can find the location.

0 Answers  

---

What is recrystallization?

0 Answers  

---

For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

0 Answers  

---

Define what is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbine blades etc. When both are used in the lost-wax method?

0 Answers  

---

carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickle-0.10% molybdenum-trace. what is the grade of the above composition cast iron

0 Answers  

---

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?

0 Answers  

---

What are the effects of recrystallization of metals on alloying?

0 Answers  

---