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S20432 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both S20432 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 S20432 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
11
Fatigue Strength, MPa 210
470
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 580
1080
Tensile Strength: Yield (Proof), MPa 230
870

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 900
740
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
38
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 13
40

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.28
Chromium (Cr), % 17 to 18
11 to 12.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 66.7 to 74
81.4 to 85.8
Manganese (Mn), % 3.0 to 5.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 4.0 to 6.0
0.5 to 1.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3