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S39277 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both S39277 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 76% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
11
Fatigue Strength, MPa 480
470
Poisson's Ratio 0.27
0.28
Reduction in Area, % 57
27
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 930
1080
Tensile Strength: Yield (Proof), MPa 660
870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
3.1
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 43
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
38
Strength to Weight: Bending, points 27
30
Thermal Diffusivity, mm2/s 4.2
6.6
Thermal Shock Resistance, points 26
40

Alloy Composition

Carbon (C), % 0 to 0.025
0.2 to 0.28
Chromium (Cr), % 24 to 26
11 to 12.5
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
81.4 to 85.8
Manganese (Mn), % 0 to 0.8
0.5 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0.9 to 1.3
Nickel (Ni), % 6.5 to 8.0
0.5 to 1.0
Nitrogen (N), % 0.23 to 0.33
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.030
Tungsten (W), % 0.8 to 1.2
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3