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S35140 Stainless Steel vs. AISI 305 Stainless Steel

Both S35140 stainless steel and AISI 305 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 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 S35140 stainless steel and the bottom bar is AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34 to 45
Fatigue Strength, MPa 250
210 to 280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 460
400 to 470
Tensile Strength: Ultimate (UTS), MPa 690
580 to 710
Tensile Strength: Yield (Proof), MPa 310
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 1100
540
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
3.2
Embodied Energy, MJ/kg 78
45
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
20 to 25
Strength to Weight: Bending, points 22
20 to 23
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 16
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 20 to 22
17 to 19
Iron (Fe), % 44.1 to 52.7
65.1 to 72.5
Manganese (Mn), % 1.0 to 3.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
10.5 to 13
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030