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SAE-AISI 1021 Steel vs. SAE-AISI H10 Steel

Both SAE-AISI 1021 steel and SAE-AISI H10 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1021 steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 480 to 530
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
38
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
48
Embodied Water, L/kg 46
71

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 19
24 to 72
Strength to Weight: Bending, points 17 to 18
22 to 46
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 15 to 17
22 to 66

Alloy Composition

Carbon (C), % 0.18 to 0.23
0.35 to 0.45
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.8 to 99.22
89.5 to 93.4
Manganese (Mn), % 0.6 to 0.9
0.25 to 0.7
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0.25 to 0.75