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AISI 205 Stainless Steel vs. SAE-AISI M50 Steel

Both AISI 205 stainless steel and SAE-AISI M50 steel are iron alloys. They have 71% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1340
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 37
74
Embodied Water, L/kg 150
83

Common Calculations

PREN (Pitting Resistance) 23
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
26 to 80
Strength to Weight: Bending, points 25 to 37
23 to 49
Thermal Shock Resistance, points 16 to 29
21 to 66

Alloy Composition

Carbon (C), % 0.12 to 0.25
0.78 to 0.88
Chromium (Cr), % 16.5 to 18.5
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.6 to 68.1
87 to 90.4
Manganese (Mn), % 14 to 15.5
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
Nickel (Ni), % 1.0 to 1.7
0 to 0.3
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.3

Comparable Variants