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EN 1.4659 Stainless Steel vs. S31727 Stainless Steel

Both EN 1.4659 stainless steel and S31727 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 49
40
Fatigue Strength, MPa 460
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 640
430
Tensile Strength: Ultimate (UTS), MPa 900
630
Tensile Strength: Yield (Proof), MPa 480
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.5
4.7
Embodied Energy, MJ/kg 89
64
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
200
Resilience: Unit (Modulus of Resilience), kJ/m3 550
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 25
20
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 23 to 25
17.5 to 19
Copper (Cu), % 1.0 to 2.0
2.8 to 4.0
Iron (Fe), % 35.7 to 45.7
53.7 to 61.3
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 5.5 to 6.5
3.8 to 4.5
Nickel (Ni), % 21 to 23
14.5 to 16.5
Nitrogen (N), % 0.35 to 0.5
0.15 to 0.21
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0