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EN 1.4874 Stainless Steel vs. EN 1.4587 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4587 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 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 1.4874 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
34
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 480
540
Tensile Strength: Yield (Proof), MPa 360
250

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 560
450
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 7.6
6.3
Embodied Energy, MJ/kg 110
87
Embodied Water, L/kg 290
230

Common Calculations

PREN (Pitting Resistance) 34
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150
Resilience: Unit (Modulus of Resilience), kJ/m3 310
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 3.3
4.5
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.030
Chromium (Cr), % 19 to 22
24 to 26
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 23 to 38.9
32.7 to 41.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
4.0 to 5.0
Nickel (Ni), % 18 to 22
28 to 30
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0