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sci.steel-carbon-content Calculator
Calculates phase fractions (ferrite, pearlite, martensite, austenite) in Fe-C alloys from composition and heat treatment using the iron-carbon phase diagram. Eutectoid composition is 0.76% C (pure pearlite) — steels below this are hypoeutectoid (ferrite + pearlite); above are hypereutectoid (pearlite + cementite).
Inputs
Carbon Pct
Reference formula or conversion factor shown for context.
Manganese Pct
Reference formula or conversion factor shown for context.
Silicon Pct
Reference formula or conversion factor shown for context.
Chromium Pct
Reference formula or conversion factor shown for context.
Results
carbon equivalent (CE)
Sample size or count used in the calculation.
estimated hardness (HB)
The value at the specified point or condition.
estimated UTS (MPa)
The value at the specified point or condition.
weldability
Reference formula or conversion factor shown for context.
CE = C + Mn/6 + Cr/5 + ...
Sample size or count used in the calculation.
AISI 1045
Reference formula or conversion factor shown for context.