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EN 1.4590 Stainless Steel vs. EN 1.4361 Stainless Steel

Both EN 1.4590 stainless steel and EN 1.4361 stainless steel are iron alloys. They have 80% 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 1.4590 stainless steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 26
43
Fatigue Strength, MPa 190
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 310
440
Tensile Strength: Ultimate (UTS), MPa 480
630
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 280
350
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 860
940
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 26
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.5
3.6
Embodied Energy, MJ/kg 37
52
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 7.0
3.7
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 16 to 17.5
16.5 to 18.5
Iron (Fe), % 79.7 to 83.7
58.7 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 16
Niobium (Nb), % 0.35 to 0.55
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
3.7 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Zirconium (Zr), % 0 to 0.15
0