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S30415 Stainless Steel vs. SAE-AISI 4817 Steel

Both S30415 stainless steel and SAE-AISI 4817 steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is SAE-AISI 4817 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 470
350
Tensile Strength: Ultimate (UTS), MPa 670
560
Tensile Strength: Yield (Proof), MPa 330
370

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 43
24
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0.040 to 0.060
0.15 to 0.2
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Iron (Fe), % 67.8 to 71.8
94.7 to 95.9
Manganese (Mn), % 0 to 0.8
0.4 to 0.6
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 9.0 to 10
3.3 to 3.8
Nitrogen (N), % 0.12 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040