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ASTM A182 Grade F1 vs. SAE-AISI 1070 Steel

Both ASTM A182 grade F1 and SAE-AISI 1070 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is ASTM A182 grade F1 and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
10 to 13
Fatigue Strength, MPa 220
270 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
34 to 51
Shear Modulus, GPa 73
72
Shear Strength, MPa 340
380 to 460
Tensile Strength: Ultimate (UTS), MPa 540
640 to 760
Tensile Strength: Yield (Proof), MPa 310
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 260
470 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.28
0.65 to 0.75
Iron (Fe), % 97.7 to 98.8
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.045
0 to 0.050