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EN 1.4886 Stainless Steel vs. S31727 Stainless Steel

Both EN 1.4886 stainless steel and S31727 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4886 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 280
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 400
430
Tensile Strength: Ultimate (UTS), MPa 580
630
Tensile Strength: Yield (Proof), MPa 300
270

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.4
4.7
Embodied Energy, MJ/kg 76
64
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
200
Resilience: Unit (Modulus of Resilience), kJ/m3 230
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 20
17.5 to 19
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 38.7 to 49
53.7 to 61.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 33 to 37
14.5 to 16.5
Nitrogen (N), % 0 to 0.1
0.15 to 0.21
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030