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EN 1.4418 Stainless Steel vs. ASTM A148 Cast Steel

Both EN 1.4418 stainless steel and ASTM A148 cast steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
5.7 to 25
Fatigue Strength, MPa 350 to 480
280 to 670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
630 to 1300
Tensile Strength: Yield (Proof), MPa 540 to 790
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400 to 430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
37 to 47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3 to 8.6

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
400 to 3570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
22 to 46
Strength to Weight: Bending, points 26 to 28
21 to 34
Thermal Diffusivity, mm2/s 4.0
9.9 to 13
Thermal Shock Resistance, points 31 to 36
18 to 38

Comparable Variants