what is the strongest metal?

1011

---

Explain the uses of iron ferrite?

1000

---

How can you separate gold from mercury?

1021

---

How do 304 stainless steel and 316 stainless steel weld to each other? I am hoping my medical device prospect will be able to weld a component made in 316 ss via metal injection molding toa 304 ss tube.

1005

---

Define what is carbide?

980

---

Why duplex or super duplex stainless steels are welded with low heat input type electrode?

1011

---

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.

964

---

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

996

---

Define what is the grain size of lead as an element and as an alloy such as lead tin alloy?

987

---

what is the different between ferrite percentage and ferrite number?

990

---

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?

964

---

Define what is the difference between diagrams of it and ct in heat treatment of steels?

1162

---

Define what is the casting and forging?

1025

---

Which method has more procity in cast part? Which method has more strength in cast part?

903

---

How one can differentiate between 304 & 316 grades of steel (physically)?

919

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