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S30815 Stainless Steel vs. S35115 Stainless Steel

Both S30815 stainless steel and S35115 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 320
280
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
86
Shear Modulus, GPa 77
79
Shear Strength, MPa 480
470
Tensile Strength: Ultimate (UTS), MPa 680
670
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.8
Embodied Energy, MJ/kg 47
67
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 24
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
250
Resilience: Unit (Modulus of Resilience), kJ/m3 310
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
23 to 25
Iron (Fe), % 62.8 to 68.4
47.6 to 55.8
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 10 to 12
19 to 22
Nitrogen (N), % 0.14 to 0.2
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015