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EN 1.4613 Stainless Steel vs. S31727 Stainless Steel

Both EN 1.4613 stainless steel and S31727 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% 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 1.4613 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
40
Fatigue Strength, MPa 180
240
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 330
430
Tensile Strength: Ultimate (UTS), MPa 530
630
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 550
420
Maximum Temperature: Mechanical, °C 1050
1010
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.7
Embodied Energy, MJ/kg 38
64
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 24
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
200
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 22 to 25
17.5 to 19
Copper (Cu), % 0 to 0.5
2.8 to 4.0
Iron (Fe), % 70.3 to 77.8
53.7 to 61.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.8 to 4.5
Nickel (Ni), % 0 to 0.5
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0