Why aren't steel make ups 100%?

Chipped Karambit

Chipped Karambit

Joined
Jan 12, 2012
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I look through the make up of different steels and have always wondered why they dont add up to 100%?

Someone asked me to pull up the comp of 440c and they asked. I had to tell them I'd get back to them on it because I have no clue at all.

Anyone know why?
 
^ I feel the moment I say that He is going to give me a nice facial prod with the back of his hand at a high velocity.
 
Every formula I have seen either does not mention iron or says "balance iron." I am sure I have not seen nearly every one. Just dozens.
 
Most of the steel nowadays has been recycled over and over.... I suspect that blood, fingernails, bellybutton lint and WD-40 make up the balance.:p

They never list iron. I imagine that is the bulk of the composition.
 
Rick hit it. Iron (Fe) is often always listed, as it is the bulk ingredient. It is sometimes listed ad GFe;C-.1.03;Mn-.37;Si.04;etc.
Also, there are trace elements ( which can total almost 1%) which are artifacts of the steel's history. For example, if an automobile gets melted down, and there are gold contacts in the electronics, it will add a minute amount of gold to the steel,..... along with cadmium,yttrium, and a dozen other things found in the paint and other materials in that car.
It isn't really a stretch to say that every bar of steel you use has some 19th century wrought iron melted in it, as all iron and steel are used over and over. In another hundred years, there will be a little World Trade Center in most steel.
 
There is a lost element that they cannot measure, it is in all blade steels it is called Aldonium.....
 
Sam Salvati said:
There is a lost element that they cannot measure, it is in all blade steels it is called Aldonium.....
Click to expand...

It is not lost, Sam..... let me know if you need some.... I may be able to spare a disk or two.
 

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That ^^^ is seriously funny! Thanks for making me ruin a completly perfect keyboard by spewing my coffee all over it!

BTW, you guys have too much time... ;)
 
Unless you get a detailed chemistry of that particular heat then you're dealing with nominal chemistry. Watch the trace elements especially copper .It may be listed as a trace element since it's not added as an alloying element but it can have a distinct effect on HT and properties.More than one blade maker has had bed experience with this.
 
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