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EN 1.4107 Stainless Steel vs. S31254 Stainless Steel

Both EN 1.4107 stainless steel and S31254 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4107 stainless steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
40
Fatigue Strength, MPa 260 to 350
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 620 to 700
720
Tensile Strength: Yield (Proof), MPa 400 to 570
330

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 740
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 10
17

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 7.5
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
5.5
Embodied Energy, MJ/kg 30
74
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 13
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 7.2
3.8
Thermal Shock Resistance, points 22 to 25
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 11.5 to 12.5
19.5 to 20.5
Copper (Cu), % 0 to 0.3
0.5 to 1.0
Iron (Fe), % 83.8 to 87.2
51.4 to 56.3
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
6.0 to 6.5
Nickel (Ni), % 0.8 to 1.5
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.010
Vanadium (V), % 0 to 0.080
0