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EN 1.4520 Stainless Steel vs. S38100 Stainless Steel

Both EN 1.4520 stainless steel and S38100 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% 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 1.4520 stainless steel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
45
Fatigue Strength, MPa 160
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 310
400
Tensile Strength: Ultimate (UTS), MPa 480
580
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 870
970
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.8
Embodied Energy, MJ/kg 32
54
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 17
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 120
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 5.4
4.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.080
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 80.1 to 83.9
57.9 to 64
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0