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SAE-AISI M43 Steel vs. EN 1.4474 Stainless Steel

Both SAE-AISI M43 steel and EN 1.4474 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 22 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 M43 steel and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
670

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1550
1430
Melting Onset (Solidus), °C 1500
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 19
17
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 8.5
3.4
Embodied Energy, MJ/kg 120
48
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 35
34
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 77
24
Strength to Weight: Bending, points 24 to 47
22
Thermal Diffusivity, mm2/s 5.3
4.6
Thermal Shock Resistance, points 25 to 71
18

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.050
Chromium (Cr), % 3.5 to 4.3
25 to 27
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 76
61.2 to 69.1
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.5 to 8.5
1.3 to 2.0
Nickel (Ni), % 0 to 0.3
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0