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EN 1.4567 Stainless Steel vs. S21904 Stainless Steel

Both EN 1.4567 stainless steel and S21904 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 33 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 1.4567 stainless steel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 51
17 to 51
Fatigue Strength, MPa 190 to 260
380 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 390 to 490
510 to 620
Tensile Strength: Ultimate (UTS), MPa 550 to 780
700 to 1000
Tensile Strength: Yield (Proof), MPa 200 to 390
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 930
980
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 19
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 400
380 to 2070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 27
25 to 36
Strength to Weight: Bending, points 19 to 24
23 to 29
Thermal Diffusivity, mm2/s 3.0
3.8
Thermal Shock Resistance, points 12 to 17
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.040
Chromium (Cr), % 17 to 19
19 to 21.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 63.3 to 71.5
59.5 to 67.4
Manganese (Mn), % 0 to 2.0
8.0 to 10
Nickel (Ni), % 8.5 to 10.5
5.5 to 7.5
Nitrogen (N), % 0 to 0.1
0.15 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030