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S31260 Stainless Steel vs. EN 1.8879 Steel

Both S31260 stainless steel and EN 1.8879 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 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 S31260 stainless steel and the bottom bar is EN 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 370
460
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 500
510
Tensile Strength: Ultimate (UTS), MPa 790
830
Tensile Strength: Yield (Proof), MPa 540
710

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 53
26
Embodied Water, L/kg 180
54

Common Calculations

PREN (Pitting Resistance) 39
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 720
1320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 22
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 24 to 26
0 to 1.5
Copper (Cu), % 0.2 to 0.8
0 to 0.3
Iron (Fe), % 59.6 to 67.6
91.9 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.7
Nickel (Ni), % 5.5 to 7.5
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.1 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0.1 to 0.5
0
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15