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ASTM A372 Grade B Steel vs. SAE-AISI 1035 Steel

Both ASTM A372 grade B steel and SAE-AISI 1035 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 1035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
13 to 21
Fatigue Strength, MPa 240
210 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
360 to 370
Tensile Strength: Ultimate (UTS), MPa 600
570 to 620
Tensile Strength: Yield (Proof), MPa 350
300 to 530

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
51
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
7.8
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
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250 to 740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
20 to 22
Strength to Weight: Bending, points 20
19 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19
18 to 20

Alloy Composition

Carbon (C), % 0 to 0.35
0.32 to 0.38
Iron (Fe), % 97.9 to 99.85
98.6 to 99.08
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