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S31727 Stainless Steel vs. SAE-AISI 9310 Steel

Both S31727 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17 to 19
Fatigue Strength, MPa 240
300 to 390
Poisson's Ratio 0.28
0.29
Rockwell B Hardness 83
240 to 270
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
510 to 570
Tensile Strength: Ultimate (UTS), MPa 630
820 to 910
Tensile Strength: Yield (Proof), MPa 270
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.8
Embodied Energy, MJ/kg 64
24
Embodied Water, L/kg 180
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
540 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29 to 32
Strength to Weight: Bending, points 20
25 to 27
Thermal Shock Resistance, points 14
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.13
Chromium (Cr), % 17.5 to 19
1.0 to 1.4
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
93.8 to 95.2
Manganese (Mn), % 0 to 1.0
0.45 to 0.65
Molybdenum (Mo), % 3.8 to 4.5
0.080 to 0.15
Nickel (Ni), % 14.5 to 16.5
3.0 to 3.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.012