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Bessemer process paved way for cheap production of what modern alloy in 1850?
Wiki User
∙ 14y ago
According to Wikipedia Online Encyclopedia (http://en.wikipedia.org/Bessemer_process) "The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron."
Wiki User
∙ 14y ago
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What year was nickel first used in coins?
The first official and deliberate use was in 1850, in Switzerland. Nickel was part of the alloy, with other metals such as copper and silver. Ancient coins from Bactria dating back to 200BCE had nickel in their composition (almost in the same proportion as modern day issues) but it was not known to be separate metal in the alloy.
A 1944 Jefferson nickel has an s on the back but what does that mean?
Nickel was needed for the war effort during World War II. In order to meet the needs of the military, nickel was not used for the production of the Jefferson Nickel. Beginning in 1942, the composition of the nickel coin was changed from the original alloy of 75% copper and 25% nickel to a new alloy which consisted of 56% copper, 35% silver and 9% manganese. In order to show which coins had this new alloy the mint mark which had been located just to the right of Monticello [the building on the back of the Jefferson nickel] was moved to a new position just above the building. Additionally, the size of the mint mark was greatly increased. Also, for the first time in the history of the US Mint, the mint at Philadelphia used a mint mark on one of the coins produced there, the letter "P". Denver continued to use the letter "D" and San Francisco continued to use the letter "S". Since the alloy of the nickel was changed during the mintage year, there are 1942 nickels of the former alloy and there are 1942 nickels of the new alloy. In 1946 the composition of the nickel was again changed and the original alloy of 75% copper and 25% nickel was used and continues to be used today.
How much is a 1955 smooth edge quarter worth?
It has a smooth edge because it's worn, not because of a minting error. Silver-alloy coins were softer than modern copper-nickel ones and they wore out a lot faster. That means it's only worth its silver value, about $2.75 as of 10/2009
What is the value of a silver 1937 Indian head nickel?
Please don't assume that because a coin is old it has to be made of silver. Like modern nickels, all buffalo nickels were struck in an alloy of 75% copper and 25% nickel. Please see the question "What is the value of a 1937 US nickel?" for more information.
Did the US produce brass coins?
Except for the current series of $1 coins, no. The closest is the bronze alloy used in cents from 1864 to 1942 and 1944 to 1982. Sacajawea and Presidential dollars are made from a special alloy that's a combination of brass and manganese.
Inventor of a steel making process?
That would be Henry Bessemer, inventor of the Bessemer Converter which allowed the processing of Steel on an industrial scale. The process involves the removal of impurities (an important factor in Steel manufacture) through oxidation.
What is the alloying process?
Here is a link to a description of the alloying process for a generic alloy production method.
What is the most useful alloy in production of ball pens?
tungstencarbide...
What alloy would you use to join metal parts explain?
There are several different alloys used for this purpose, depending on the requirements:solder, used in a process called soldering where low temperatures are required to avoid damage and the alloy does not need to provide strength to the joint (solder is traditionally an alloy of tin & lead but many modern solders have been reformulated to replace the lead with nontoxic metals)brass, used in a process called brazing where it is undesirable to melt the parts being joined but the alloy must provide strength to the joint (brass is an alloy of copper and zinc)alloys similar to that used in the parts themselves, used in a process called welding where both the alloy and the parts are melted and commingled to provide a joint as strong as the original metal parts themselves
How do you weld monel?
Monel Alloy 400 is readily joined by conventional process and procedures, Most of conventional welding process may be used to Join Monel Alloy 400 tto itself or disimilar alloys.
Why is alluminum alloy a suitable material for the production of mountaineering poles?
it is strong and flexible and light also it does not rust
What substance that is rich in carbon is mixed with iron ore in the process of smelting?
alloy
Friction stir welding of magnesium alloy?
it is type of a non ferrous welding process,
What are the properties of aluminium 6061?
This alloy contain magnesium, Fe, Mn, Cr, Cu, Zn, Ti and silicon; the alloy has good mechanical properties and it is easy to process.
Properties of low alloy nickel?
The low alloy nickel such as Cu90/Ni10 and Cu70/Ni30 offer excellent resistance to corrosion in the seawater and biofouling. These are used in the production of coins. Read more about them below:
If brass is an alloy of copper and zinc and they exist as solids how is an alloy of brass made?
Copper and Zinc are melted down to liquid state. Then the two metals are combined in some difficult to explain process. When the liquid metal cools, the alloy Brass is formed.
What alloy is formed by combinating of iorn and carbon?
iron-carbonxide
