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ASTM A572 Steel vs. ASTM Grade HI Steel

Both ASTM A572 steel and ASTM grade HI 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 A572 steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 25
11
Fatigue Strength, MPa 240 to 340
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 470 to 620
550
Tensile Strength: Yield (Proof), MPa 330 to 510
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
23
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.1
Embodied Energy, MJ/kg 22
59
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
52
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
20
Strength to Weight: Bending, points 17 to 21
19
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 14 to 18
12