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S81921 Stainless Steel vs. EN 1.4110 Stainless Steel

Both S81921 stainless steel and EN 1.4110 stainless steel are iron alloys. They have 87% 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 S81921 stainless steel and the bottom bar is EN 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
11 to 14
Fatigue Strength, MPa 370
250 to 730
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 460
470 to 1030
Tensile Strength: Ultimate (UTS), MPa 710
770 to 1720
Tensile Strength: Yield (Proof), MPa 500
430 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 990
790
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.3
Embodied Energy, MJ/kg 41
33
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 28
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
90 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 630
480 to 4550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28 to 62
Strength to Weight: Bending, points 23
24 to 41
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 20
27 to 60

Alloy Composition

Carbon (C), % 0 to 0.030
0.48 to 0.6
Chromium (Cr), % 19 to 22
13 to 15
Iron (Fe), % 66.7 to 75.9
81.4 to 86
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0.5 to 0.8
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0 to 0.15