MakeItFrom.com
Menu (ESC)

EN 1.4404 Stainless Steel vs. EN 1.4587 Stainless Steel

Both EN 1.4404 stainless steel and EN 1.4587 stainless steel are iron alloys. They have 70% 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 1.4404 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 43
34
Fatigue Strength, MPa 220 to 320
200
Impact Strength: V-Notched Charpy, J 91 to 93
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 600 to 900
540
Tensile Strength: Yield (Proof), MPa 240 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.8
6.3
Embodied Energy, MJ/kg 52
87
Embodied Water, L/kg 150
230

Common Calculations

PREN (Pitting Resistance) 26
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
18
Strength to Weight: Bending, points 20 to 26
18
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 13 to 20
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 62.8 to 71.5
32.7 to 41.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
4.0 to 5.0
Nickel (Ni), % 10 to 13
28 to 30
Nitrogen (N), % 0 to 0.1
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025