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#23 (permalink)

03-26-2014, 11:46 PM

xb-60

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Join Date: Aug 2009

Location: Adelaide, SA

Cobra Make, Engine: AP 289FIA 'English' spec.

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Quote:

Originally Posted by Ralphy

xb-60, you may have taught me something. I was thinking mild steel such as 1020 contained no more than 0.2% carbon? Being the second two digits represents the carbon quantity. Same in all steels a high carbon of 1040 equaling no more than 0.4%?

Ralphy

Ralphy,
My figures were for CA2S-E (cold rolled, formable) http://www.bluescopesteel.com.au/files/CA2S-E.pdf
which is similar to 1010, and has a max carbon content of 0.10%
You're correct that 1020 has a maximum carbon content of 0.20%
Cheers,
Glen

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