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SAE-AISI M2 Steel vs. EN 1.4710 Stainless Steel

Both SAE-AISI M2 steel and EN 1.4710 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 18 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 M2 steel and the bottom bar is EN 1.4710 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1570
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
24
Thermal Expansion, µm/m-K 10
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.8
1.8
Embodied Energy, MJ/kg 130
24
Embodied Water, L/kg 98
76

Common Calculations

PREN (Pitting Resistance) 31
7.2
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 5.9
6.5

Alloy Composition

Carbon (C), % 0.78 to 1.1
0.2 to 0.35
Chromium (Cr), % 3.8 to 4.5
6.0 to 8.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78.5 to 83.4
87.4 to 92.3
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
0 to 0.15
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0