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EN 1.4971 Stainless Steel vs. SAE-AISI M10 Steel

Both EN 1.4971 stainless steel and SAE-AISI M10 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 800
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1460
1520
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
31
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
8.3
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 300
100

Common Calculations

PREN (Pitting Resistance) 38
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
26 to 76
Strength to Weight: Bending, points 23
23 to 47
Thermal Diffusivity, mm2/s 3.4
8.5
Thermal Shock Resistance, points 19
23 to 68

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.84 to 1.1
Chromium (Cr), % 20 to 22.5
3.8 to 4.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 24.3 to 37.1
82.3 to 85.6
Manganese (Mn), % 0 to 2.0
0.1 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
7.8 to 8.5
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
1.8 to 2.2