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EN 1.4597 Stainless Steel vs. EN 1.4590 Stainless Steel

Both EN 1.4597 stainless steel and EN 1.4590 stainless steel are iron alloys. They have 87% 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 1.4597 stainless steel and the bottom bar is EN 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
26
Fatigue Strength, MPa 300
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 470
310
Tensile Strength: Ultimate (UTS), MPa 680
480
Tensile Strength: Yield (Proof), MPa 330
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 860
860
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.5
Embodied Energy, MJ/kg 36
37
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 21
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.1
7.0
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 15 to 18
16 to 17.5
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 63 to 76.4
79.7 to 83.7
Manganese (Mn), % 6.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Niobium (Nb), % 0
0.35 to 0.55
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Zirconium (Zr), % 0
0 to 0.15