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EN 1.4592 Stainless Steel vs. EN 1.4742 Stainless Steel

Both EN 1.4592 stainless steel and EN 1.4742 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% 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 1.4592 stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 340
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 630
600
Tensile Strength: Yield (Proof), MPa 500
300

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 550
410
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
19
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.8
2.2
Embodied Energy, MJ/kg 52
32
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 43
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
84
Resilience: Unit (Modulus of Resilience), kJ/m3 610
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.6
5.1
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.025
0 to 0.12
Chromium (Cr), % 28 to 30
17 to 19
Iron (Fe), % 62.6 to 68.4
77.2 to 81.6
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
0.7 to 1.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0