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ASTM A372 Grade E Steel vs. ASTM A299 Steel

Both ASTM A372 grade E steel and ASTM A299 steel are iron alloys.

For each property being compared, the top bar is ASTM A372 grade E steel and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
21 to 22
Fatigue Strength, MPa 310 to 380
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 570
370 to 390
Tensile Strength: Ultimate (UTS), MPa 650 to 910
590 to 620
Tensile Strength: Yield (Proof), MPa 430 to 550
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 44
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
290 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
21 to 22
Strength to Weight: Bending, points 21 to 27
20 to 21
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 27
17 to 18

Comparable Variants