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S31730 Stainless Steel vs. SAE-AISI M52 Steel

Both S31730 stainless steel and SAE-AISI M52 steel are iron alloys. They have 65% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is SAE-AISI M52 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 540
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1390
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
7.5
Embodied Energy, MJ/kg 63
110
Embodied Water, L/kg 180
89

Common Calculations

PREN (Pitting Resistance) 30
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
25 to 80
Strength to Weight: Bending, points 18
22 to 49
Thermal Shock Resistance, points 12
21 to 67

Alloy Composition

Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 17 to 19
3.5 to 4.3
Copper (Cu), % 4.0 to 5.0
0 to 0.25
Iron (Fe), % 52.4 to 61
84.4 to 88.9
Manganese (Mn), % 0 to 2.0
0.15 to 0.45
Molybdenum (Mo), % 3.0 to 4.0
4.0 to 4.9
Nickel (Ni), % 15 to 16.5
0 to 0.3
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0.75 to 1.5
Vanadium (V), % 0
1.7 to 2.3