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EN 1.4310 Stainless Steel vs. EN 1.4590 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.4590 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 1.4310 stainless steel and the bottom bar is EN 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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