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EN 1.4874 Stainless Steel vs. S31727 Stainless Steel

Both EN 1.4874 stainless steel and S31727 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 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 1.4874 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
40
Fatigue Strength, MPa 180
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 480
630
Tensile Strength: Yield (Proof), MPa 360
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1150
1010
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.6
4.7
Embodied Energy, MJ/kg 110
64
Embodied Water, L/kg 290
180

Common Calculations

PREN (Pitting Resistance) 34
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
200
Resilience: Unit (Modulus of Resilience), kJ/m3 310
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.030
Chromium (Cr), % 19 to 22
17.5 to 19
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 23 to 38.9
53.7 to 61.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
3.8 to 4.5
Nickel (Ni), % 18 to 22
14.5 to 16.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0