Estimating C, S, Si, Mn & P in Cast Iron & Steel

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The estimation of carbon (C), sulfur (S), silicon (Si), manganese (Mn), and phosphorus (P) in cast iron and steel varies significantly based on the material grade. Cast iron typically contains 2% or more carbon, while carbon steels have phosphorus levels ranging from 0.035% to 0.040% and sulfur from 0.040% to 0.050%. Stainless steels show slightly different ranges, with phosphorus at 0.040% to 0.045% and sulfur at 0.030%. Cast iron, such as ASTM A159, can have higher limits for phosphorus (up to 0.12%) and sulfur (up to 0.15%). Understanding these compositions is crucial for material selection and application in engineering.
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can anybody let me know the estimation of C,S,Si,Mn and P in cast iron and steel?

i will be thankful to all who will reply for this.:smile:
 
Engineering news on Phys.org
One could search with google for specific compositions or specifications.

Information on steels and iron alloys - http://www.key-to-steel.com/default.aspx?ID=Articles

The carbon content varies. Cast irons have 2% carbon or higher.
Classification of Cast Iron - http://www.key-to-steel.com/Articles/Art63.htm
http://en.wikipedia.org/wiki/Cast_iron

In Carbon Steels type ranges P (0.035-0.040%), S (0.040-0.050%) and in Stainless Steels P (0.040-0.045%), S (0.030%), and I've seen high purity SS with lower requirements in order to avoid stress corrosion cracking.

P and S maybe higher in Cast Irons, e.g. in ASTM A159 cast iron: P Max 0.12%, S Max 0.15%.

P and S are impurities, while C, Si and Mn are alloying elements whose content depends on the grade of steel/cast iron.

% is % by weight.
 
thankyou for your help.
 

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