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EN 1.4587 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.4587 stainless steel and S44330 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, 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 S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
25
Fatigue Strength, MPa 200
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 540
440
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
21
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
2.8
Embodied Energy, MJ/kg 87
40
Embodied Water, L/kg 230
140

Common Calculations

PREN (Pitting Resistance) 43
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
91
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 4.5
5.7
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 24 to 26
20 to 23
Copper (Cu), % 2.0 to 3.0
0.3 to 0.8
Iron (Fe), % 32.7 to 41.9
72.5 to 79.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.15 to 0.25
0 to 0.025
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0 to 0.8