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ASTM A209 Steel vs. ASTM A372 Grade E Steel

Both ASTM A209 steel and ASTM A372 grade E steel are iron alloys. 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 A209 steel and the bottom bar is ASTM A372 grade E steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
20 to 22
Fatigue Strength, MPa 180 to 200
310 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280 to 310
410 to 570
Tensile Strength: Ultimate (UTS), MPa 420 to 460
650 to 910
Tensile Strength: Yield (Proof), MPa 220 to 250
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420 to 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
500 to 810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 16
23 to 32
Strength to Weight: Bending, points 16 to 17
21 to 27
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 12 to 14
19 to 27