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EN 1.4590 Stainless Steel vs. EN 1.4826 Stainless Steel

Both EN 1.4590 stainless steel and EN 1.4826 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 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 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
9.1
Fatigue Strength, MPa 190
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 480
500
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 470
430
Maximum Temperature: Mechanical, °C 860
950
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
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
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.3
Embodied Energy, MJ/kg 37
47
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
39
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 7.0
3.7
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 16 to 17.5
21 to 23
Iron (Fe), % 79.7 to 83.7
60.4 to 68.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0.35 to 0.55
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Zirconium (Zr), % 0 to 0.15
0