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SAE-AISI 1055 Steel vs. ASTM A182 Grade F6b

Both SAE-AISI 1055 steel and ASTM A182 grade F6b are iron alloys. They have 85% of their average alloy composition in common. There are 32 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 1055 steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
18
Fatigue Strength, MPa 260 to 390
440
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 45
51
Shear Modulus, GPa 72
76
Shear Strength, MPa 440 to 450
530
Tensile Strength: Ultimate (UTS), MPa 730 to 750
850
Tensile Strength: Yield (Proof), MPa 400 to 630
710

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 85
140
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1070
1280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
30
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 23 to 24
31

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.4 to 98.9
81.2 to 87.1
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
1.0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020