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EN 1.4410 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4410 stainless steel and EN 1.4887 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. 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 1.4410 stainless steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 24
45
Fatigue Strength, MPa 410
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 540
400
Tensile Strength: Ultimate (UTS), MPa 850
580
Tensile Strength: Yield (Proof), MPa 600
300

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
600
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.0
6.7
Embodied Energy, MJ/kg 56
96
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 42
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 880
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 24 to 26
20 to 23
Iron (Fe), % 58.1 to 66.8
34.2 to 45
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
0
Nickel (Ni), % 6.0 to 8.0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0.24 to 0.35
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015