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EN 1.4923 Stainless Steel vs. S31730 Stainless Steel

Both EN 1.4923 stainless steel and S31730 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
40
Fatigue Strength, MPa 300 to 440
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 590
370
Tensile Strength: Ultimate (UTS), MPa 870 to 980
540
Tensile Strength: Yield (Proof), MPa 470 to 780
200

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
420
Maximum Temperature: Mechanical, °C 740
990
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.9
4.6
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 15
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
19
Strength to Weight: Bending, points 26 to 28
18
Thermal Shock Resistance, points 30 to 34
12

Alloy Composition

Carbon (C), % 0.18 to 0.24
0 to 0.030
Chromium (Cr), % 11 to 12.5
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 83.5 to 87.1
52.4 to 61
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
3.0 to 4.0
Nickel (Ni), % 0.3 to 0.8
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.25 to 0.35
0