MakeItFrom.com
Menu (ESC)

ASTM A148 Cast Steel vs. AISI 446 Stainless Steel

Both ASTM A148 cast steel and AISI 446 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 390
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 25
23
Fatigue Strength, MPa 280 to 670
200
Poisson's Ratio 0.29
0.27
Reduction in Area, % 13 to 45
50
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
570
Tensile Strength: Yield (Proof), MPa 390 to 1160
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400 to 430
1180
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 37 to 47
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.4
Embodied Energy, MJ/kg 20 to 22
35
Embodied Water, L/kg 48 to 53
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
230
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22 to 46
21
Strength to Weight: Bending, points 21 to 34
20
Thermal Diffusivity, mm2/s 9.9 to 13
4.6
Thermal Shock Resistance, points 18 to 38
19