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S31727 Stainless Steel vs. EN 1.4923 Stainless Steel

Both S31727 stainless steel and EN 1.4923 stainless steel are iron alloys. They have 72% 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 S31727 stainless steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12 to 21
Fatigue Strength, MPa 240
300 to 440
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
40 to 46
Shear Modulus, GPa 78
76
Shear Strength, MPa 430
540 to 590
Tensile Strength: Ultimate (UTS), MPa 630
870 to 980
Tensile Strength: Yield (Proof), MPa 270
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
380
Maximum Temperature: Mechanical, °C 1010
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
2.9
Embodied Energy, MJ/kg 64
41
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 35
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
570 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
31 to 35
Strength to Weight: Bending, points 20
26 to 28
Thermal Shock Resistance, points 14
30 to 34

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.24
Chromium (Cr), % 17.5 to 19
11 to 12.5
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
83.5 to 87.1
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 3.8 to 4.5
0.8 to 1.2
Nickel (Ni), % 14.5 to 16.5
0.3 to 0.8
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.25 to 0.35