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EN 1.4523 Stainless Steel vs. S40930 Stainless Steel

Both EN 1.4523 stainless steel and S40930 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
23
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 320
270
Tensile Strength: Ultimate (UTS), MPa 520
430
Tensile Strength: Yield (Proof), MPa 320
190

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 500
460
Maximum Temperature: Mechanical, °C 920
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.3
Embodied Energy, MJ/kg 40
32
Embodied Water, L/kg 130
94

Common Calculations

PREN (Pitting Resistance) 26
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
80
Resilience: Unit (Modulus of Resilience), kJ/m3 260
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 5.8
6.7
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 19
10.5 to 11.7
Iron (Fe), % 75.7 to 80.2
84.7 to 89.4
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.020
Titanium (Ti), % 0.15 to 0.8
0.050 to 0.2