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EN 1.4872 Stainless Steel vs. S31254 Stainless Steel

Both EN 1.4872 stainless steel and S31254 stainless steel are iron alloys. They have 82% 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 EN 1.4872 stainless steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 410
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Shear Strength, MPa 620
490
Tensile Strength: Ultimate (UTS), MPa 950
720
Tensile Strength: Yield (Proof), MPa 560
330

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1150
1090
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
28
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.5
Embodied Energy, MJ/kg 47
74
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 30
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
240
Resilience: Unit (Modulus of Resilience), kJ/m3 780
270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
25
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 3.9
3.8
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.020
Chromium (Cr), % 24 to 26
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 54.2 to 61.6
51.4 to 56.3
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 6.0 to 8.0
17.5 to 18.5
Nitrogen (N), % 0.2 to 0.4
0.18 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.010