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ASTM A283 Carbon Steel vs. ASTM A372 Grade J Steel

Both ASTM A283 carbon steel and ASTM A372 grade J steel are iron alloys.

For each property being compared, the top bar is ASTM A283 carbon steel and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 26 to 34
17 to 22
Fatigue Strength, MPa 150 to 190
310 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 240 to 310
410 to 630
Tensile Strength: Ultimate (UTS), MPa 360 to 480
650 to 1020
Tensile Strength: Yield (Proof), MPa 180 to 260
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 to 53
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 91 to 180
500 to 1930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 17
23 to 36
Strength to Weight: Bending, points 14 to 17
21 to 29
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 11 to 15
19 to 30

Comparable Variants