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ASTM A148 Cast Steel vs. ASTM A27 Cast Steel

Both ASTM A148 cast steel and ASTM A27 cast steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 25
25 to 27
Fatigue Strength, MPa 280 to 670
170 to 230
Poisson's Ratio 0.29
0.29
Reduction in Area, % 13 to 45
34 to 40
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
460 to 550
Tensile Strength: Yield (Proof), MPa 390 to 1160
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400 to 430
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37 to 47
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
1.4
Embodied Energy, MJ/kg 20 to 22
18
Embodied Water, L/kg 48 to 53
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
140 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 46
16 to 20
Strength to Weight: Bending, points 21 to 34
17 to 19
Thermal Diffusivity, mm2/s 9.9 to 13
14
Thermal Shock Resistance, points 18 to 38
15 to 18

Comparable Variants