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EN 1.4516 Stainless Steel vs. EN 1.4590 Stainless Steel

Both EN 1.4516 stainless steel and EN 1.4590 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4516 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, % 23
26
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 350
310
Tensile Strength: Ultimate (UTS), MPa 550
480
Tensile Strength: Yield (Proof), MPa 320
270

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 420
470
Maximum Temperature: Mechanical, °C 720
860
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
26
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 28
37
Embodied Water, L/kg 97
120

Common Calculations

PREN (Pitting Resistance) 12
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.1
7.0
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
16 to 17.5
Iron (Fe), % 83.3 to 89
79.7 to 83.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 0.5 to 1.5
0
Niobium (Nb), % 0
0.35 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.050 to 0.35
0
Zirconium (Zr), % 0
0 to 0.15