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EN 1.4903 Stainless Steel vs. SAE-AISI M10 Steel

Both EN 1.4903 stainless steel and SAE-AISI M10 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 670 to 680
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1520
Melting Onset (Solidus), °C 1420
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 26
31
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 36
120
Embodied Water, L/kg 88
100

Common Calculations

PREN (Pitting Resistance) 13
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 76
Strength to Weight: Bending, points 22
23 to 47
Thermal Diffusivity, mm2/s 7.0
8.5
Thermal Shock Resistance, points 23
23 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0.84 to 1.1
Chromium (Cr), % 8.0 to 9.5
3.8 to 4.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 87.1 to 90.5
82.3 to 85.6
Manganese (Mn), % 0.3 to 0.6
0.1 to 0.4
Molybdenum (Mo), % 0.85 to 1.1
7.8 to 8.5
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.18 to 0.25
1.8 to 2.2