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S21900 Stainless Steel vs. SAE-AISI 1010 Steel

Both S21900 stainless steel and SAE-AISI 1010 steel are iron alloys. They have 64% 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 S21900 stainless steel and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
22 to 31
Fatigue Strength, MPa 380
150 to 230
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
46 to 56
Shear Modulus, GPa 78
73
Shear Strength, MPa 510
230 to 250
Tensile Strength: Ultimate (UTS), MPa 710
350 to 400
Tensile Strength: Yield (Proof), MPa 390
190 to 330

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
82 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 380
100 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
12 to 14
Strength to Weight: Bending, points 23
14 to 15
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
11 to 13

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.13
Chromium (Cr), % 19 to 21.5
0
Iron (Fe), % 59.4 to 67.4
99.18 to 99.62
Manganese (Mn), % 8.0 to 10
0.3 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 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050