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EN 1.4587 Stainless Steel vs. EN 1.4031 Stainless Steel

Both EN 1.4587 stainless steel and EN 1.4031 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 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 EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 13
Fatigue Strength, MPa 200
220 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 540
670 to 900
Tensile Strength: Yield (Proof), MPa 250
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
7.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
1.9
Embodied Energy, MJ/kg 87
27
Embodied Water, L/kg 230
100

Common Calculations

PREN (Pitting Resistance) 43
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
24 to 32
Strength to Weight: Bending, points 18
22 to 27
Thermal Diffusivity, mm2/s 4.5
8.1
Thermal Shock Resistance, points 13
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 24 to 26
12.5 to 14.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
83 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0
Nitrogen (N), % 0.15 to 0.25
0
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 0.015