Carbon Equivalent Calculator

Calculate Carbon Equivalent (CE) for steel alloys to evaluate weldability and hardenability. Essential for welding and material selection.

Alloy Name *

Formula Type *

Carbon (C) % *

Manganese (Mn) % *

Chromium (Cr) % *

Nickel (Ni) % *

Molybdenum (Mo) % *

Vanadium (V) % *

Copper (Cu) % *

Silicon (Si) % *

⚙️ Carbon Equivalent Formulas:
IIW: CE = C + Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/15 • CE: C + Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/15 • Pcm: C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/10 + 5B

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Carbon Equivalent Analysis

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Step-by-Step Calculation

Detailed CE analysis

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CE (IIW)

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Pcm

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Weldability

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Status

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Alloy Composition

Elemental composition summary

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Formula Reference

Carbon equivalent formulas

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Carbon Equivalent Tips

Understanding weldability and hardenability

⚙️ Metallurgical Disclaimer: Carbon equivalent calculations are estimates for weldability assessment. Actual welding procedures should be validated through testing. Results are for educational purposes.