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SAE-AISI 9254 Steel vs. S30615 Stainless Steel

Both SAE-AISI 9254 steel and S30615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
39
Fatigue Strength, MPa 280
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 410
470
Tensile Strength: Ultimate (UTS), MPa 660
690
Tensile Strength: Yield (Proof), MPa 410
310

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Maximum Temperature: Mechanical, °C 410
960
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 49
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 450
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 20
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.51 to 0.59
0.16 to 0.24
Chromium (Cr), % 0.6 to 0.8
17 to 19.5
Iron (Fe), % 96.1 to 97.1
56.7 to 65.3
Manganese (Mn), % 0.6 to 0.8
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 1.2 to 1.6
3.2 to 4.0
Sulfur (S), % 0 to 0.040
0 to 0.030