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ASTM A27 Cast Steel vs. EN 1.4971 Stainless Steel

Both ASTM A27 cast steel and EN 1.4971 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 25 to 27
34
Fatigue Strength, MPa 170 to 230
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 460 to 550
800
Tensile Strength: Yield (Proof), MPa 230 to 310
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
7.6
Embodied Energy, MJ/kg 18
110
Embodied Water, L/kg 45 to 46
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
26
Strength to Weight: Bending, points 17 to 19
23
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 15 to 18
19