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ASTM Grade HT Steel vs. C19800 Copper

ASTM grade HT steel belongs to the iron alloys classification, while C19800 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 4.6
9.0 to 12
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 500
430 to 550
Tensile Strength: Yield (Proof), MPa 270
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1390
1070
Melting Onset (Solidus), °C 1340
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
260
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
61
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
62

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 76
43
Embodied Water, L/kg 190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 180
770 to 1320
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
14 to 17
Strength to Weight: Bending, points 18
14 to 17
Thermal Diffusivity, mm2/s 3.2
75
Thermal Shock Resistance, points 12
15 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 15 to 19
0
Copper (Cu), % 0
95.7 to 99.47
Iron (Fe), % 38.2 to 51.7
0.020 to 0.5
Magnesium (Mg), % 0
0.1 to 1.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0.010 to 0.1
Silicon (Si), % 0 to 2.5
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 0
0.3 to 1.5
Residuals, % 0
0 to 0.2