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ASTM Grade HI Steel vs. ASTM A148 Cast Steel

Both ASTM grade HI steel and ASTM A148 cast 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 grade HI steel and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
5.7 to 25
Fatigue Strength, MPa 150
280 to 670
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 550
630 to 1300
Tensile Strength: Yield (Proof), MPa 270
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400 to 430
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
37 to 47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3 to 8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3 to 3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5 to 1.7
Embodied Energy, MJ/kg 59
20 to 22
Embodied Water, L/kg 200
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 180
400 to 3570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
22 to 46
Strength to Weight: Bending, points 19
21 to 34
Thermal Diffusivity, mm2/s 3.9
9.9 to 13
Thermal Shock Resistance, points 12
18 to 38