Or what is the most valuable metal? A few of the oldest known metals happen to be Gold, Silver, Copper, Iron, Tin and Lead and they are still the most useful and trusted metals.
Metals are solid definitely not transparent, they have luster and are heavy. I assume you can include Mercury as a steel yet this is a liquid. Another is Solium, which is solid but very light in weight.
And I found that the most valuable metal is not the main one most people think! Most people would say Gold, however they would be wrong. By the price per once yes, nevertheless, you would be wrong in the event that you looked at the usage of each, Iron gets the most uses for it.
There are three forms which differ very much in their properties. There is Cast-Iron easily fusible and quite brittle. ลวดเชื่อมเงิน I remember dropping one of my grandmothers lids off the coal stove that she utilized to cook with and we’d to buy a new one because, it was a form of cast iron and it could not be forged or welded.
Then there’s Wrought-Iron, fusible only at high temperatures, but could be hammered out flat, welded and slow in a kind of wire. A pal of mine used to manage a wire rope manufacturing plant in Pennsylvania and I had been just amazed at what they could do with this metal, making it look almost like cloth rope, but many times the strength, it had been used to build bridges, elevators, tow barges and endure water towers etc..
The next is Steel, probably the most wonderful element we produce with Iron, it really is malleable and may be welded. The fantastic property of Steel it acquires when tempered is a very hard degree of hardness.
A simple explanation of these metals is that the most noticeable feature is in the chemical composition of the various grades of iron is the percentage of carbon it contains. Thus Pig-iron contains the most carbon, Steel the next lowest and Wrought-iron minimal.