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EN 1.4590 Stainless Steel vs. EN 1.4310 Stainless Steel

Both EN 1.4590 stainless steel and EN 1.4310 stainless steel are iron alloys. They have 90% 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 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
14 to 45
Fatigue Strength, MPa 190
240 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 310
510 to 550
Tensile Strength: Ultimate (UTS), MPa 480
730 to 900
Tensile Strength: Yield (Proof), MPa 270
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 860
910
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.9
Embodied Energy, MJ/kg 37
42
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
26 to 32
Strength to Weight: Bending, points 18
23 to 27
Thermal Diffusivity, mm2/s 7.0
4.0
Thermal Shock Resistance, points 17
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 16 to 17.5
16 to 19
Iron (Fe), % 79.7 to 83.7
66.4 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
6.0 to 9.5
Niobium (Nb), % 0.35 to 0.55
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Zirconium (Zr), % 0 to 0.15
0