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SAE-AISI 1030 Steel vs. ASTM A372 Grade C Steel

Both SAE-AISI 1030 steel and ASTM A372 grade C 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 SAE-AISI 1030 steel and the bottom bar is ASTM A372 grade C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
17
Fatigue Strength, MPa 210 to 320
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330 to 360
440
Tensile Strength: Ultimate (UTS), MPa 530 to 590
710
Tensile Strength: Yield (Proof), MPa 300 to 490
430

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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

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
19
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 650
500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 21
25
Strength to Weight: Bending, points 18 to 20
23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17 to 19
22

Alloy Composition

Carbon (C), % 0.28 to 0.34
0 to 0.48
Iron (Fe), % 98.7 to 99.12
97.5 to 99.85
Manganese (Mn), % 0.6 to 0.9
0 to 1.7
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.010