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EN 1.4854 Stainless Steel vs. EN 1.4587 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4587 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 93% 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 1.4854 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 310
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 750
540
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1170
1100
Melting Completion (Liquidus), °C 1370
1420
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 11
17
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 5.7
6.3
Embodied Energy, MJ/kg 81
87
Embodied Water, L/kg 220
230

Common Calculations

PREN (Pitting Resistance) 28
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
150
Resilience: Unit (Modulus of Resilience), kJ/m3 280
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 2.9
4.5
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 33.6 to 40.6
32.7 to 41.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 34 to 36
28 to 30
Nitrogen (N), % 0.12 to 0.2
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.2 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025