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S21904 Stainless Steel vs. EN 1.4362 Stainless Steel

Both S21904 stainless steel and EN 1.4362 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 S21904 stainless steel and the bottom bar is EN 1.4362 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17 to 51
25
Fatigue Strength, MPa 380 to 550
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Shear Strength, MPa 510 to 620
470
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
730
Tensile Strength: Yield (Proof), MPa 390 to 910
460

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 980
1060
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 43
41
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 25
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
160
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 36
26
Strength to Weight: Bending, points 23 to 29
23
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 15 to 21
20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 19 to 21.5
22 to 24.5
Copper (Cu), % 0
0.1 to 0.6
Iron (Fe), % 59.5 to 67.4
65.5 to 74.3
Manganese (Mn), % 8.0 to 10
0 to 2.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 5.5 to 7.5
3.5 to 5.5
Nitrogen (N), % 0.15 to 0.4
0.050 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015