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AISI 305 Stainless Steel vs. ASTM A27 Cast Steel

Both AISI 305 stainless steel and ASTM A27 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 AISI 305 stainless steel and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
25 to 27
Fatigue Strength, MPa 210 to 280
170 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580 to 710
460 to 550
Tensile Strength: Yield (Proof), MPa 230 to 350
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 540
400
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 16
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 150
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
140 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
16 to 20
Strength to Weight: Bending, points 20 to 23
17 to 19
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 13 to 15
15 to 18