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ASTM A387 Grade 21L Class 1 vs. C10300 Copper

ASTM A387 grade 21L class 1 belongs to the iron alloys classification, while C10300 copper belongs to the copper alloys. There are 29 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 A387 grade 21L class 1 and the bottom bar is C10300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
2.6 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
43
Shear Strength, MPa 310
160 to 240
Tensile Strength: Ultimate (UTS), MPa 500
230 to 410
Tensile Strength: Yield (Proof), MPa 230
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 480
200
Melting Completion (Liquidus), °C 1470
1080
Melting Onset (Solidus), °C 1430
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 41
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
99
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
99

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 62
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
9.4 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 140
25 to 690
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
7.2 to 13
Strength to Weight: Bending, points 18
9.4 to 14
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 14
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0
99.95 to 99.999
Iron (Fe), % 94.4 to 96.1
0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0.0010 to 0.0050
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0