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EN 1.4501 Stainless Steel vs. S40930 Stainless Steel

Both EN 1.4501 stainless steel and S40930 stainless steel are iron alloys. They have 74% 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 EN 1.4501 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 27
23
Fatigue Strength, MPa 430
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 540
270
Tensile Strength: Ultimate (UTS), MPa 830
430
Tensile Strength: Yield (Proof), MPa 600
190

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.3
Embodied Energy, MJ/kg 57
32
Embodied Water, L/kg 180
94

Common Calculations

PREN (Pitting Resistance) 42
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
80
Resilience: Unit (Modulus of Resilience), kJ/m3 870
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 57.6 to 65.8
84.7 to 89.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0.2 to 0.3
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2
Tungsten (W), % 0.5 to 1.0
0