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S31254 Stainless Steel vs. EN 1.4845 Stainless Steel

Both S31254 stainless steel and EN 1.4845 stainless steel are iron alloys. They have a moderately high 92% 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 S31254 stainless steel and the bottom bar is EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
38
Fatigue Strength, MPa 290
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 490
410
Tensile Strength: Ultimate (UTS), MPa 720
600
Tensile Strength: Yield (Proof), MPa 330
240

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1090
1050
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
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 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
4.3
Embodied Energy, MJ/kg 74
61
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 44
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
24 to 26
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51.4 to 56.3
48.2 to 57
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
19 to 22
Nitrogen (N), % 0.18 to 0.22
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.015