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EN 1.4590 Stainless Steel vs. EN 1.4886 Stainless Steel

Both EN 1.4590 stainless steel and EN 1.4886 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 32 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 1.4590 stainless steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
45
Fatigue Strength, MPa 190
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 310
400
Tensile Strength: Ultimate (UTS), MPa 480
580
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 470
420
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.5
5.4
Embodied Energy, MJ/kg 37
76
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 190
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 7.0
3.1
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 17.5
17 to 20
Iron (Fe), % 79.7 to 83.7
38.7 to 49
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
33 to 37
Niobium (Nb), % 0.35 to 0.55
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
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
Zirconium (Zr), % 0 to 0.15
0