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SAE-AISI H21 Steel vs. AWS E80C-B3L

Both SAE-AISI H21 steel and AWS E80C-B3L are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is AWS E80C-B3L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
620

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1580
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 27
41
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
4.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.8
Embodied Energy, MJ/kg 68
24
Embodied Water, L/kg 72
60

Common Calculations

PREN (Pitting Resistance) 19
5.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 58
22
Strength to Weight: Bending, points 21 to 38
21
Thermal Diffusivity, mm2/s 7.1
11
Thermal Shock Resistance, points 24 to 59
18

Alloy Composition

Carbon (C), % 0.28 to 0.36
0 to 0.050
Chromium (Cr), % 3.0 to 3.8
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 87.6 to 93.8
93.5 to 96.5
Manganese (Mn), % 0.15 to 0.4
0.4 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.5
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0 to 0.030
Residuals, % 0
0 to 0.5