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SAE-AISI M50 Steel vs. S35135 Stainless Steel

Both SAE-AISI M50 steel and S35135 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 20 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 M50 steel and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
590

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
37
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 5.1
6.8
Embodied Energy, MJ/kg 74
94
Embodied Water, L/kg 83
220

Common Calculations

PREN (Pitting Resistance) 19
37
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 80
20
Strength to Weight: Bending, points 23 to 49
19
Thermal Shock Resistance, points 21 to 66
13

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
20 to 25
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 87 to 90.4
28.3 to 45
Manganese (Mn), % 0.15 to 0.45
0 to 1.0
Molybdenum (Mo), % 3.9 to 4.8
4.0 to 4.8
Nickel (Ni), % 0 to 0.3
30 to 38
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.6
0.6 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.4 to 1.0
Vanadium (V), % 0.8 to 1.3
0