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S81921 Stainless Steel vs. EN 1.5410 Steel

Both S81921 stainless steel and EN 1.5410 steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S81921 stainless steel and the bottom bar is EN 1.5410 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
20 to 25
Fatigue Strength, MPa 370
290 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 710
560 to 620
Tensile Strength: Yield (Proof), MPa 500
400 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 41
22
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 630
430 to 610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
20 to 22
Strength to Weight: Bending, points 23
19 to 21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 20
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 19 to 22
0
Iron (Fe), % 66.7 to 75.9
96.9 to 98.6
Manganese (Mn), % 2.0 to 4.0
1.2 to 1.8
Molybdenum (Mo), % 1.0 to 2.0
0.2 to 0.4
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0
0.050 to 0.1