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ASTM A27 Cast Steel vs. EN 1.4020 Stainless Steel

Both ASTM A27 cast steel and EN 1.4020 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
13 to 34
Fatigue Strength, MPa 170 to 230
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 460 to 550
770 to 1130
Tensile Strength: Yield (Proof), MPa 230 to 310
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
37
Embodied Water, L/kg 45 to 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
460 to 2290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
28 to 41
Strength to Weight: Bending, points 17 to 19
25 to 32
Thermal Shock Resistance, points 15 to 18
16 to 23