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S21904 Stainless Steel vs. EN 1.4592 Stainless Steel

Both S21904 stainless steel and EN 1.4592 stainless steel are iron alloys. 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 S21904 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, % 17 to 51
23
Fatigue Strength, MPa 380 to 550
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
82
Shear Strength, MPa 510 to 620
400
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
630
Tensile Strength: Yield (Proof), MPa 390 to 910
500

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
550
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 17
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 15
18
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 25
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
610
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25 to 36
23
Strength to Weight: Bending, points 23 to 29
21
Thermal Diffusivity, mm2/s 3.8
4.6
Thermal Shock Resistance, points 15 to 21
20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.025
Chromium (Cr), % 19 to 21.5
28 to 30
Iron (Fe), % 59.5 to 67.4
62.6 to 68.4
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0 to 0.045
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8