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EN 1.4587 Stainless Steel vs. EN 1.4109 Stainless Steel

Both EN 1.4587 stainless steel and EN 1.4109 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
19
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 540
770
Tensile Strength: Yield (Proof), MPa 250
420

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
820
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
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
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
2.2
Embodied Energy, MJ/kg 87
30
Embodied Water, L/kg 230
110

Common Calculations

PREN (Pitting Resistance) 43
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.5
8.1
Thermal Shock Resistance, points 13
28

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 24 to 26
14 to 16
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
80.7 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0.4 to 0.8
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 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015