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S40930 Stainless Steel vs. EN 1.4373 Stainless Steel

Both S40930 stainless steel and EN 1.4373 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S40930 stainless steel and the bottom bar is EN 1.4373 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
46
Fatigue Strength, MPa 130
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
530
Tensile Strength: Ultimate (UTS), MPa 430
750
Tensile Strength: Yield (Proof), MPa 190
370

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 710
910
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 32
40
Embodied Water, L/kg 94
150

Common Calculations

PREN (Pitting Resistance) 11
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
290
Resilience: Unit (Modulus of Resilience), kJ/m3 94
340
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 10.5 to 11.7
17 to 19
Iron (Fe), % 84.7 to 89.4
63 to 71.5
Manganese (Mn), % 0 to 1.0
7.5 to 10.5
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Niobium (Nb), % 0.080 to 0.75
0
Nitrogen (N), % 0 to 0.030
0.050 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.050 to 0.2
0