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EN 1.4587 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4587 stainless steel and S38815 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4587 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
34
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 540
610
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 6.3
3.8
Embodied Energy, MJ/kg 87
54
Embodied Water, L/kg 230
140

Common Calculations

PREN (Pitting Resistance) 43
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
13 to 15
Copper (Cu), % 2.0 to 3.0
0.75 to 1.5
Iron (Fe), % 32.7 to 41.9
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0.75 to 1.5
Nickel (Ni), % 28 to 30
13 to 17
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
5.5 to 6.5
Sulfur (S), % 0 to 0.025
0 to 0.020