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4140 Steel Properties?

Answer

4140 steel is one of the most used steels used in construction, engineering, knives, and all assortments of bladed instruments. It is a very versatile steel thanks to its chemical composition which allows it to be very tough and heat treated to be hardened. It has a tensile strength of 655.0 mpa as well as an elongation constant of 25-7 percent. The elastic modulus is between 190 and 210 giga pascals. 4140 steel is a great value for the dollar and has many practical uses in society today.
Q&A Related to "4140 Steel Properties?"
1. Heat the steel to 1,675 degrees Fahrenheit in a heat treat furnace or forge and hold it at that temperature for approximately 30 minutes per inch of length to normalize the steel
http://www.ehow.com/how_7811662_harden-4140-steel....
It's a misnomer. 4140 is a type of steel, which is NOT stainless.
http://wiki.answers.com/Q/What_is_4140_stainless_s...
http://www.chacha.com/question/what-is-4140-grade-...
Steel has 8 different properties. If you add other chemicals it can change the properties. The 8 different properties are lustre, malleability, alloying, strength, conductivity, durability
http://answers.ask.com/Business/Constructions_and_...
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