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S40975 Stainless Steel vs. EN 1.4523 Stainless Steel

Both S40975 stainless steel and EN 1.4523 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% of their average alloy composition in common. There are 33 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 S40975 stainless steel and the bottom bar is EN 1.4523 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
17
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 290
320
Tensile Strength: Ultimate (UTS), MPa 460
520
Tensile Strength: Yield (Proof), MPa 310
320

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
500
Maximum Temperature: Mechanical, °C 710
920
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
22
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
40
Embodied Water, L/kg 95
130

Common Calculations

PREN (Pitting Resistance) 11
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
77
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 7.0
5.8
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
17.5 to 19
Iron (Fe), % 84.4 to 89
75.7 to 80.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0.5 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Titanium (Ti), % 0 to 0.75
0.15 to 0.8