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S21904 Stainless Steel vs. EN 1.8527 Steel

Both S21904 stainless steel and EN 1.8527 steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 51
16
Fatigue Strength, MPa 380 to 550
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 510 to 620
550
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
900
Tensile Strength: Yield (Proof), MPa 390 to 910
800

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 980
490
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 160
66

Common Calculations

PREN (Pitting Resistance) 25
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
140
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 36
32
Strength to Weight: Bending, points 23 to 29
26
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 15 to 21
26

Alloy Composition

Carbon (C), % 0 to 0.040
0.040 to 0.12
Chromium (Cr), % 19 to 21.5
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.5 to 67.4
93.2 to 95.1
Manganese (Mn), % 8.0 to 10
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035