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ASTM Grade HD Steel vs. ASTM A27 Cast Steel

Both ASTM grade HD steel and ASTM A27 cast steel are iron alloys. There are 29 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 HD steel and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
25 to 27
Fatigue Strength, MPa 140
170 to 230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 590
460 to 550
Tensile Strength: Yield (Proof), MPa 270
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
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
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 180
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140 to 260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
16 to 20
Strength to Weight: Bending, points 20
17 to 19
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 19
15 to 18