what is the meaning(definition)of EN grade of steel and also tell whats the full name of EN?
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The problem is there are two EN systems.
The European Number system in the format 1.XXXX
The EN 'emergency numbers' were meant as a short-term fix for British manufacturers in WW2. Each manufacturer had their own proprietary steels, but there was desperate need for a consistent system during a time of shortage.
That the system is still widely used well over sixty tears later is typically British.
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