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pls refer to carbon-phase diagram... mild steel will be liquid and welded with temp. of >1300degC
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∙ 15y ago
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What is the colour of mild steel?
silver or red
What is red-shortness in steel?
is the steel which breaks as it's heated to red hot
What is austenite?
its a solid solution created when carbon steel is heated to red hot. also know as the alpha iron. during cooling of the steel it can transform into pearlite or ferite.
What happens when you put steel into water?
Well when you put steel in water, the water will make the steel more softened, and then the rust starts forming cause the water dissolves the steel atoms then you have a red rusted steel metals.
How is high-carbon steel hardened?
Heat treating of high carbon steel to harden it is an instantaneous process. The steel is heated red hot, causing the formation of crystals of very hard type of Iron Carbide called "Martinsite". If cooled slowly, the Martensite reverts to iron and carbon again and the steel remains soft. But if cooled rapidly by plunging the red hot steel in water or oil, there is insufficient time for the Martinsite to break down to iron and carbon, and it remains as crystals of very hard Martinsite, imparting hardness to the steel.
At what temperature mild steel becomes red hot?
Hey there, have a look at this website: http://www.muggyweld.com/color.html
What is the colour of mild steel?
silver or red
Does mild steel become harder when heated?
Mild Steel is not hard and brittle. Once Mild Steel is subjected to heating and then allowed to cool, it forms different compounds of steel having different properties. This depends upon 1. The heating temperature 2. The time allowed for cooling. When MS is heated to high temperatures so that it appears red hot and then suddenly cooled down to ambient temperature, it forms a compound called Martensite, which is hard. This is because there is more carbon in Martensite then in Mild Steel. This process of altering properties of compounds by heat is called heat treatment.
Is mild steel ductile or brittle?
the tensile strength, hardness and yield strength of steel depends on the amount of carbon in it. this is because amount of pearlite increases linearly with % of C in steel from 0-0.77%. Elongation (ductility) is caused by the ferrite in the steel which forms plastic deformation. there are two ways of treating steel: 1) quenching- this is when red hot steel is rapidly cooled to R.T. this traps most of the carbon in the steel forming pearlite that makes it hard and brittle 2)Normalising- this is when red hot steel is cooled slowly to R.T and allows carbon to dislocate and form ferrite which makes it ductile. this is how mild steel is manufactured.
Why does the skin turn red when a person blushes?
Embarrassment. Your body temperature increases making your skin turn red.
How do you increase hardness of mild steel?
You heat your object until its hot red and then you cool it quickly in water
What causes red hot cheeks on babies?
this is usually caused by the baby teething, and may run a mild temperature.
What bacteria cultures turn red at room temperature?
Serratia marcescens
When did Red Steel happen?
Red Steel happened in 2006.
Why do you sweat and turn red when you work out?
You sweat to lower your body temperature so you do not overheat. you turn red because when you exercise your blood is pumping more to get oxygen all over your body.
When was Red Steel created?
Red Steel was created on 2006-11-19.
What is red-shortness in steel?
is the steel which breaks as it's heated to red hot
