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EN 1.4438 Stainless Steel vs. SAE-AISI M10 Steel

Both EN 1.4438 stainless steel and SAE-AISI M10 steel are iron alloys. They have 70% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4438 stainless steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 620
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1450
1520
Melting Onset (Solidus), °C 1400
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
31
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
8.3
Embodied Energy, MJ/kg 60
120
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 31
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
26 to 76
Strength to Weight: Bending, points 20
23 to 47
Thermal Diffusivity, mm2/s 3.7
8.5
Thermal Shock Resistance, points 14
23 to 68

Alloy Composition

Carbon (C), % 0 to 0.030
0.84 to 1.1
Chromium (Cr), % 17.5 to 19.5
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 57.3 to 66.5
82.3 to 85.6
Manganese (Mn), % 0 to 2.0
0.1 to 0.4
Molybdenum (Mo), % 3.0 to 4.0
7.8 to 8.5
Nickel (Ni), % 13 to 16
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
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
Vanadium (V), % 0
1.8 to 2.2