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EN 1.4311 Stainless Steel vs. SAE-AISI M46 Steel

Both EN 1.4311 stainless steel and SAE-AISI M46 steel are iron alloys. They have 75% 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 1.4311 stainless steel and the bottom bar is SAE-AISI M46 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 77
77
Tensile Strength: Ultimate (UTS), MPa 650
800 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1420
1540
Melting Onset (Solidus), °C 1380
1500
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
18
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 43
180
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 21
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
27 to 78
Strength to Weight: Bending, points 21
24 to 48
Thermal Diffusivity, mm2/s 4.0
4.9
Thermal Shock Resistance, points 15
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.030
1.2 to 1.3
Chromium (Cr), % 17.5 to 19.5
3.7 to 4.2
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.7 to 73.9
70 to 73.8
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 0
8.0 to 8.5
Nickel (Ni), % 8.5 to 11.5
0 to 0.3
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.4 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
1.9 to 2.2
Vanadium (V), % 0
3.0 to 3.3