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EN 1.4749 Stainless Steel vs. EN 1.4592 Stainless Steel

Both EN 1.4749 stainless steel and EN 1.4592 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% 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 1.4749 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, % 16
23
Fatigue Strength, MPa 190
340
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
82
Shear Strength, MPa 370
400
Tensile Strength: Ultimate (UTS), MPa 600
630
Tensile Strength: Yield (Proof), MPa 320
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 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
18
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.8
Embodied Energy, MJ/kg 36
52
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 31
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
610
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.025
Chromium (Cr), % 26 to 29
28 to 30
Iron (Fe), % 68.5 to 73.7
62.6 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nitrogen (N), % 0.15 to 0.25
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8