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ASTM A356 Grade 1 vs. SAE-AISI 1144 Steel

Both ASTM A356 grade 1 and SAE-AISI 1144 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 1 and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 200
280 to 430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39
34 to 40
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 550
750 to 840
Tensile Strength: Yield (Proof), MPa 280
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
480 to 1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
27 to 30
Strength to Weight: Bending, points 19
23 to 25
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.35
0.4 to 0.48
Iron (Fe), % 98.3 to 100
97.5 to 98
Manganese (Mn), % 0 to 0.7
1.4 to 1.7
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0.24 to 0.33