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EN 1.4458 Stainless Steel vs. EN 1.4592 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4592 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 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, % 34
23
Fatigue Strength, MPa 150
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
82
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 190
500

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 430
550
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
18
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
3.8
Embodied Energy, MJ/kg 75
52
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 30
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 89
610
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 19 to 22
28 to 30
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
62.6 to 68.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
3.5 to 4.5
Nickel (Ni), % 26 to 30
0
Nitrogen (N), % 0 to 0.2
0 to 0.045
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8