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SAE-AISI M1 Steel vs. EN 1.3960 Stainless Steel

Both SAE-AISI M1 steel and EN 1.3960 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M1 steel and the bottom bar is EN 1.3960 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
590

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1560
1440
Melting Onset (Solidus), °C 1510
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
21
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 7.0
4.1
Embodied Energy, MJ/kg 99
57
Embodied Water, L/kg 98
160

Common Calculations

PREN (Pitting Resistance) 35
30
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 73
21
Strength to Weight: Bending, points 22 to 45
20
Thermal Diffusivity, mm2/s 8.0
3.9
Thermal Shock Resistance, points 23 to 66
17

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
16.5 to 18.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81 to 84.8
60.2 to 67.9
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 8.2 to 9.2
2.5 to 3.0
Nickel (Ni), % 0 to 0.3
13 to 15
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0