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SAE-AISI 1050 Steel vs. ASTM A356 Grade 1

Both SAE-AISI 1050 steel and ASTM A356 grade 1 are iron alloys. Their average alloy composition is basically identical. 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 SAE-AISI 1050 steel and the bottom bar is ASTM A356 grade 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 260 to 400
200
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 45
39
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 690 to 790
550
Tensile Strength: Yield (Proof), MPa 390 to 650
280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1130
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
20
Strength to Weight: Bending, points 22 to 24
19
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 22 to 25
18

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.35
Iron (Fe), % 98.5 to 98.9
98.3 to 100
Manganese (Mn), % 0.6 to 0.9
0 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.030