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ASTM A514 Steel vs. ASTM Grade HK Steel

Both ASTM A514 steel and ASTM grade HK steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
11
Fatigue Strength, MPa 470 to 540
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 790 to 830
500
Tensile Strength: Yield (Proof), MPa 690 to 770
270

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
310
Maximum Temperature: Mechanical, °C 400 to 440
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37 to 51
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
25
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
4.4
Embodied Energy, MJ/kg 21 to 25
63
Embodied Water, L/kg 48 to 57
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
48
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 29
18
Strength to Weight: Bending, points 24 to 25
18
Thermal Diffusivity, mm2/s 10 to 14
3.9
Thermal Shock Resistance, points 23 to 24
11