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ASTM Grade HP Steel vs. CR025A Copper

ASTM grade HP steel belongs to the iron alloys classification, while CR025A copper belongs to the copper alloys. There are 26 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 ASTM grade HP steel and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 5.1
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 490
230
Tensile Strength: Yield (Proof), MPa 260
140

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1370
1090
Melting Onset (Solidus), °C 1330
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
370
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 5.8
2.6
Embodied Energy, MJ/kg 82
41
Embodied Water, L/kg 220
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
31
Resilience: Unit (Modulus of Resilience), kJ/m3 170
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
7.1
Strength to Weight: Bending, points 17
9.3
Thermal Diffusivity, mm2/s 3.2
110
Thermal Shock Resistance, points 11
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
99.9 to 99.96
Iron (Fe), % 29.2 to 42.7
0
Lead (Pb), % 0
0 to 0.0050
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
0.040 to 0.060
Silicon (Si), % 0 to 2.5
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.040
0