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ASTM Grade HC Steel vs. AWS ER80S-Ni3

Both ASTM grade HC steel and AWS ER80S-Ni3 are iron alloys. They have 71% of their average alloy composition in common. There are 27 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 HC steel and the bottom bar is AWS ER80S-Ni3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.0
27
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 430
630
Tensile Strength: Yield (Proof), MPa 200
530

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.0
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
23
Embodied Water, L/kg 170
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
160
Resilience: Unit (Modulus of Resilience), kJ/m3 95
740
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.12
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 61.9 to 74
93.2 to 96.6
Manganese (Mn), % 0 to 1.0
0 to 1.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
3.0 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.4 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.025
Residuals, % 0
0 to 0.5