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EN 1.4592 Stainless Steel vs. EN 1.4031 Stainless Steel

Both EN 1.4592 stainless steel and EN 1.4031 stainless steel are iron alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4592 stainless steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11 to 13
Fatigue Strength, MPa 340
220 to 400
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 400
400 to 540
Tensile Strength: Ultimate (UTS), MPa 630
670 to 900
Tensile Strength: Yield (Proof), MPa 500
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 550
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 43
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 610
380 to 1360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
24 to 32
Strength to Weight: Bending, points 21
22 to 27
Thermal Diffusivity, mm2/s 4.6
8.1
Thermal Shock Resistance, points 20
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.025
0.36 to 0.42
Chromium (Cr), % 28 to 30
12.5 to 14.5
Iron (Fe), % 62.6 to 68.4
83 to 87.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0