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S31254 Stainless Steel vs. EN 1.6957 Steel

Both S31254 stainless steel and EN 1.6957 steel are iron alloys. They have 60% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31254 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
18
Fatigue Strength, MPa 290
530
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
46
Shear Modulus, GPa 80
73
Shear Strength, MPa 490
570
Tensile Strength: Ultimate (UTS), MPa 720
930
Tensile Strength: Yield (Proof), MPa 330
780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
2.1
Embodied Energy, MJ/kg 74
29
Embodied Water, L/kg 190
60

Common Calculations

PREN (Pitting Resistance) 44
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
160
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
33
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
27

Alloy Composition

Carbon (C), % 0 to 0.020
0.22 to 0.32
Chromium (Cr), % 19.5 to 20.5
1.2 to 1.8
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51.4 to 56.3
92.7 to 94.7
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 6.0 to 6.5
0.25 to 0.45
Nickel (Ni), % 17.5 to 18.5
3.4 to 4.0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.8
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15