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ASTM A356 Grade 1 vs. ASTM A182 Grade F5a

Both ASTM A356 grade 1 and ASTM A182 grade F5a are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 1 and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39
56
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 550
710
Tensile Strength: Yield (Proof), MPa 280
520

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
510
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 18
24
Embodied Water, L/kg 45
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 210
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.35
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Iron (Fe), % 98.3 to 100
91.4 to 95.6
Manganese (Mn), % 0 to 0.7
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030