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S64512 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both S64512 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have a very high 98% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Fatigue Strength, MPa 540
470
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34
27
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1140
1080
Tensile Strength: Yield (Proof), MPa 890
870

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 750
740
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
38
Strength to Weight: Bending, points 31
30
Thermal Diffusivity, mm2/s 7.5
6.6
Thermal Shock Resistance, points 42
40

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.2 to 0.28
Chromium (Cr), % 11 to 12.5
11 to 12.5
Iron (Fe), % 80.6 to 84.7
81.4 to 85.8
Manganese (Mn), % 0.5 to 0.9
0.5 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0.9 to 1.3
Nickel (Ni), % 2.0 to 3.0
0.5 to 1.0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0.25 to 0.4
0.2 to 0.3