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S41050 Stainless Steel vs. S35115 Stainless Steel

Both S41050 stainless steel and S35115 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
46
Fatigue Strength, MPa 160
280
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
86
Shear Modulus, GPa 76
79
Shear Strength, MPa 300
470
Tensile Strength: Ultimate (UTS), MPa 470
670
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 720
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.8
Embodied Energy, MJ/kg 27
67
Embodied Water, L/kg 97
190

Common Calculations

PREN (Pitting Resistance) 12
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
250
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 7.2
3.9
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
23 to 25
Iron (Fe), % 84.2 to 88.9
47.6 to 55.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0.6 to 1.1
19 to 22
Nitrogen (N), % 0 to 0.1
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015