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ASTM A148 Cast Steel vs. S45000 Stainless Steel

Both ASTM A148 cast steel and S45000 stainless steel are iron alloys. There are 31 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 A148 cast steel and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 390
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 25
6.8 to 14
Fatigue Strength, MPa 280 to 670
330 to 650
Poisson's Ratio 0.29
0.28
Reduction in Area, % 13 to 45
22 to 50
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
980 to 1410
Tensile Strength: Yield (Proof), MPa 390 to 1160
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400 to 430
840
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.8
Embodied Energy, MJ/kg 20 to 22
39
Embodied Water, L/kg 48 to 53
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
850 to 4400
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 46
35 to 50
Strength to Weight: Bending, points 21 to 34
28 to 36
Thermal Diffusivity, mm2/s 9.9 to 13
4.5
Thermal Shock Resistance, points 18 to 38
33 to 47

Comparable Variants