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S31100 Stainless Steel vs. EN 1.4874 Stainless Steel

Both S31100 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31100 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 4.5
6.7
Fatigue Strength, MPa 330
180
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 1000
480
Tensile Strength: Yield (Proof), MPa 710
360

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 470
560
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.1
7.6
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 170
290

Common Calculations

PREN (Pitting Resistance) 26
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
29
Resilience: Unit (Modulus of Resilience), kJ/m3 1240
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36
16
Strength to Weight: Bending, points 29
16
Thermal Diffusivity, mm2/s 4.2
3.3
Thermal Shock Resistance, points 28
11

Alloy Composition

Carbon (C), % 0 to 0.060
0.35 to 0.65
Chromium (Cr), % 25 to 27
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 63.6 to 69
23 to 38.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 6.0 to 7.0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
2.0 to 3.0