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EN 1.4596 Stainless Steel vs. S21904 Stainless Steel

Both EN 1.4596 stainless steel and S21904 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4596 stainless steel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1030 to 1600
700 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 790
980
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 48
43
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 19
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 56
25 to 36
Strength to Weight: Bending, points 29 to 39
23 to 29
Thermal Shock Resistance, points 35 to 54
15 to 21

Alloy Composition

Aluminum (Al), % 0.8 to 1.1
0
Carbon (C), % 0 to 0.015
0 to 0.040
Chromium (Cr), % 11.5 to 12.5
19 to 21.5
Iron (Fe), % 73.4 to 76.4
59.5 to 67.4
Manganese (Mn), % 0 to 0.1
8.0 to 10
Molybdenum (Mo), % 1.9 to 2.2
0
Nickel (Ni), % 9.2 to 10.2
5.5 to 7.5
Nitrogen (N), % 0 to 0.020
0.15 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.4
0