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ACI-ASTM CA28MWV Steel vs. AISI 316 Stainless Steel

Both ACI-ASTM CA28MWV steel and AISI 316 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 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 AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
8.0 to 55
Fatigue Strength, MPa 470
210 to 430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 27
80
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1080
520 to 1180
Tensile Strength: Yield (Proof), MPa 870
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 740
590
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

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
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.9
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
18 to 41
Strength to Weight: Bending, points 30
18 to 31
Thermal Diffusivity, mm2/s 6.6
4.1
Thermal Shock Resistance, points 40
11 to 26

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.080
Chromium (Cr), % 11 to 12.5
16 to 18
Iron (Fe), % 81.4 to 85.8
62 to 72
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
2.0 to 3.0
Nickel (Ni), % 0.5 to 1.0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0