SAE-AISI F1 Steel vs. S21603 Stainless Steel

Both SAE-AISI F1 steel and S21603 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI F1 steel and the bottom bar is S21603 stainless steel.

SAE-AISI F1 (T60601) Low-Alloy Tool Steel UNS S21603 (XM-18) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		72
Shear Modulus, GPa		79

Tensile Strength: Ultimate (UTS), MPa		620 to 2320
Tensile Strength: Ultimate (UTS), MPa		690

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		1480
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1430
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		5.0
Base Metal Price, % relative		17

Density, g/cm³		7.9
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		1.7
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		24
Embodied Energy, MJ/kg		50

Embodied Water, L/kg		46
Embodied Water, L/kg		160

Common Calculations

PREN (Pitting Resistance)		2.3
PREN (Pitting Resistance)		34

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		22 to 82
Strength to Weight: Axial, points		25

Strength to Weight: Bending, points		20 to 49
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		19 to 70
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		1.0 to 1.3
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		17.5 to 22

Iron (Fe), %		95.9 to 98
Iron (Fe), %		57.6 to 67.8

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		7.5 to 9.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0
Nickel (Ni), %		5.0 to 7.0

Nitrogen (N), %		0
Nitrogen (N), %		0.25 to 0.5

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.045

Silicon (Si), %		0.1 to 0.5
Silicon (Si), %		0 to 0.75

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.030

Tungsten (W), %		1.0 to 1.8
Tungsten (W), %		0