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ASTM Grade HD Steel vs. ASTM A514 Steel

Both ASTM grade HD steel and ASTM A514 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
18 to 21
Fatigue Strength, MPa 140
470 to 540
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 590
790 to 830
Tensile Strength: Yield (Proof), MPa 270
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 310
250 to 260
Maximum Temperature: Mechanical, °C 1100
400 to 440
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
37 to 51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.3 to 3.8
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.1
1.6 to 1.8
Embodied Energy, MJ/kg 45
21 to 25
Embodied Water, L/kg 180
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1280 to 1590
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
28 to 29
Strength to Weight: Bending, points 20
24 to 25
Thermal Diffusivity, mm2/s 4.3
10 to 14
Thermal Shock Resistance, points 19
23 to 24