MakeItFrom.com
Menu (ESC)

SAE-AISI M43 Steel vs. S41425 Stainless Steel

Both SAE-AISI M43 steel and S41425 stainless steel are iron alloys. They have 80% 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 SAE-AISI M43 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
920

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1550
1450
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 8.5
2.9
Embodied Energy, MJ/kg 120
40
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 35
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 77
33
Strength to Weight: Bending, points 24 to 47
27
Thermal Diffusivity, mm2/s 5.3
4.4
Thermal Shock Resistance, points 25 to 71
33

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.050
Chromium (Cr), % 3.5 to 4.3
12 to 15
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 70.8 to 76
74 to 81.9
Manganese (Mn), % 0.2 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 7.5 to 8.5
1.5 to 2.0
Nickel (Ni), % 0 to 0.3
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0