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S44725 Stainless Steel vs. SAE-AISI 9310 Steel

Both S44725 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
17 to 19
Fatigue Strength, MPa 210
300 to 390
Poisson's Ratio 0.27
0.29
Rockwell B Hardness 84
240 to 270
Shear Modulus, GPa 81
73
Shear Strength, MPa 320
510 to 570
Tensile Strength: Ultimate (UTS), MPa 500
820 to 910
Tensile Strength: Yield (Proof), MPa 310
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 44
24
Embodied Water, L/kg 170
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 240
540 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29 to 32
Strength to Weight: Bending, points 18
25 to 27
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 16
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.015
0.080 to 0.13
Chromium (Cr), % 25 to 28.5
1.0 to 1.4
Iron (Fe), % 67.6 to 73.5
93.8 to 95.2
Manganese (Mn), % 0 to 0.4
0.45 to 0.65
Molybdenum (Mo), % 1.5 to 2.5
0.080 to 0.15
Nickel (Ni), % 0 to 0.3
3.0 to 3.5
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.040
0.2 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.012
Titanium (Ti), % 0 to 0.26
0