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ACI-ASTM CA28MWV Steel vs. S32803 Stainless Steel

Both ACI-ASTM CA28MWV steel and S32803 stainless steel are iron alloys. They have 79% 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 ACI-ASTM CA28MWV steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
18
Fatigue Strength, MPa 470
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 1080
680
Tensile Strength: Yield (Proof), MPa 870
560

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
510
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 6.6
4.4
Thermal Shock Resistance, points 40
22

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.015
Chromium (Cr), % 11 to 12.5
28 to 29
Iron (Fe), % 81.4 to 85.8
62.9 to 67.1
Manganese (Mn), % 0.5 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.3
1.8 to 2.5
Nickel (Ni), % 0.5 to 1.0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0