10XX steel chart

SAE #CarbonManganesePhosphorusSilicon
10500.47-0.550.60-0.900.400.50
10650.59-0.700.60-0.900.400.50
10750.69-0.800.40-0.700.400.50
10840.80-0.940.70-1.000.400.50
10950.90-1.040.30-0.500.400.50

10XX steels are basic carbon steels. Basically they only consist of Iron, Carbon, Manganese, Phosphorus, & Silicon. However, there may be other elements added, especially from Aldo, so this chart is mainly for basic comparison. The main difference is the carbon content which is designated by the last 2 numbers. There are many other 10XX series steels but these are the ones mainly used by knifemakers so I didn't list them all. Just remember that if you come across some 10XX steel that it will make a knife as long as the Carbon level is 0.50 or higher.
 
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