MakeItFrom.com
Menu (ESC)

ASTM A27 Cast Steel vs. ASTM Grade HT Steel

Both ASTM A27 cast steel and ASTM grade HT 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 A27 cast steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
4.6
Fatigue Strength, MPa 170 to 230
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 460 to 550
500
Tensile Strength: Yield (Proof), MPa 230 to 310
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1010
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 18
76
Embodied Water, L/kg 45 to 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
19
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
18
Strength to Weight: Bending, points 17 to 19
18
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 15 to 18
12