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ASTM A372 Grade B Steel vs. SAE-AISI 1026 Steel

Both ASTM A372 grade B steel and SAE-AISI 1026 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade B steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17 to 27
Fatigue Strength, MPa 240
200 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
320 to 340
Tensile Strength: Ultimate (UTS), MPa 600
500 to 550
Tensile Strength: Yield (Proof), MPa 350
270 to 470

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 52
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
200 to 580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
18 to 20
Strength to Weight: Bending, points 20
18 to 19
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.35
0.22 to 0.28
Iron (Fe), % 97.9 to 99.85
98.7 to 99.18
Manganese (Mn), % 0 to 1.4
0.6 to 0.9
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050