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ACI-ASTM CA28MWV Steel vs. S44700 Stainless Steel

Both ACI-ASTM CA28MWV steel and S44700 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
23
Fatigue Strength, MPa 470
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 27
45
Shear Modulus, GPa 76
82
Tensile Strength: Ultimate (UTS), MPa 1080
600
Tensile Strength: Yield (Proof), MPa 870
450

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.6
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 30
20
Thermal Shock Resistance, points 40
19

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.010
Chromium (Cr), % 11 to 12.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 81.4 to 85.8
64.9 to 68.5
Manganese (Mn), % 0.5 to 1.0
0 to 0.3
Molybdenum (Mo), % 0.9 to 1.3
3.5 to 4.2
Nickel (Ni), % 0.5 to 1.0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0