Martensite Start Temperature Calculator

Physical Metallurgy & Heat Treatment: Calculate $M_s$, $M_f$, and martensite volume fraction ($f_M$) as a function of steel alloy composition.

Carbon C (wt%):

Manganese Mn (wt%):

Chromium Cr (wt%):

Nickel Ni (wt%):

Molybdenum Mo (wt%):

Silicon Si (wt%):

Quench Bath Temperature $T_q$ (°C):

Martensite Start ($M_s$)

-- °C

Martensite Finish ($M_f$)

-- °C

Martensite Fraction ($f_M$)

-- %

Retained Austenite

-- %

• Andrews Linear $M_s$: -- °C

• Andrews Product $M_s$: -- °C

• Underدان Quench Undercooling ($M_s - T_q$): -- °C

• Sub-Zero Cryogenic Treatment Needed: --

Recommended Tools & Equipment

Tested hardware and components for high reliability

100% Free Tool Zero Sign-Up