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ASTM Grade HF Steel vs. AWS E80C-B6

Both ASTM grade HF steel and AWS E80C-B6 are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HF steel and the bottom bar is AWS E80C-B6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 550
630
Tensile Strength: Yield (Proof), MPa 270
530

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
4.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 46
25
Embodied Water, L/kg 150
71

Common Calculations

PREN (Pitting Resistance) 21
7.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
730
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 12
18

Alloy Composition


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Carbon (C), % 0.2 to 0.4
0 to 0.1
Chromium (Cr), % 18 to 23
4.5 to 6.0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 60 to 73.8
90.1 to 94.4
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 8.0 to 12
0 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.25 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5