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EN 1.4713 Stainless Steel vs. S21904 Stainless Steel

Both EN 1.4713 stainless steel and S21904 stainless steel are iron alloys. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4713 stainless steel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
17 to 51
Fatigue Strength, MPa 160
380 to 550
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 320
510 to 620
Tensile Strength: Ultimate (UTS), MPa 520
700 to 1000
Tensile Strength: Yield (Proof), MPa 250
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 370
430
Maximum Temperature: Mechanical, °C 800
980
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.7
3.0
Embodied Energy, MJ/kg 24
43
Embodied Water, L/kg 84
160

Common Calculations

PREN (Pitting Resistance) 7.0
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 160
380 to 2070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
25 to 36
Strength to Weight: Bending, points 19
23 to 29
Thermal Diffusivity, mm2/s 6.2
3.8
Thermal Shock Resistance, points 18
15 to 21

Alloy Composition

Aluminum (Al), % 0.5 to 1.0
0
Carbon (C), % 0 to 0.12
0 to 0.040
Chromium (Cr), % 6.0 to 8.0
19 to 21.5
Iron (Fe), % 88.8 to 93
59.5 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030