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EN 1.4347 Stainless Steel vs. EN 1.4592 Stainless Steel

Both EN 1.4347 stainless steel and EN 1.4592 stainless steel are iron alloys. They have a moderately high 93% 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 1.4347 stainless steel and the bottom bar is EN 1.4592 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
23
Fatigue Strength, MPa 320
340
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
82
Tensile Strength: Ultimate (UTS), MPa 660
630
Tensile Strength: Yield (Proof), MPa 480
500

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
550
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
18
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 28
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 570
610
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 25 to 27
28 to 30
Iron (Fe), % 62.2 to 69.4
62.6 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.2
0 to 0.045
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8