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AISI 201 Stainless Steel vs. ASTM A732 Cast Steel

Both AISI 201 stainless steel and ASTM A732 cast steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 201 stainless steel and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
140 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6 to 51
4.0 to 25
Fatigue Strength, MPa 280 to 600
230 to 750
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72 to 73
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
460 to 1470
Tensile Strength: Yield (Proof), MPa 300 to 1080
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 280
250 to 260
Maximum Temperature: Mechanical, °C 880
400 to 430
Melting Completion (Liquidus), °C 1410
1440 to 1460
Melting Onset (Solidus), °C 1370
1400 to 1420
Specific Heat Capacity, J/kg-K 480
470 to 480
Thermal Conductivity, W/m-K 15
39 to 50
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.0 to 3.8
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4 to 1.7
Embodied Energy, MJ/kg 38
19 to 24
Embodied Water, L/kg 140
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
260 to 4770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 52
16 to 52
Strength to Weight: Bending, points 22 to 37
17 to 37
Thermal Diffusivity, mm2/s 4.0
10 to 14
Thermal Shock Resistance, points 14 to 32
14 to 43