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S15500 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both S15500 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 89% 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 S15500 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
11
Fatigue Strength, MPa 350 to 650
470
Poisson's Ratio 0.28
0.28
Reduction in Area, % 17 to 40
27
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
1080
Tensile Strength: Yield (Proof), MPa 590 to 1310
870

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 820
740
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 11
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 13
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 15
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
38
Strength to Weight: Bending, points 26 to 37
30
Thermal Diffusivity, mm2/s 4.6
6.6
Thermal Shock Resistance, points 30 to 50
40

Alloy Composition

Carbon (C), % 0 to 0.070
0.2 to 0.28
Chromium (Cr), % 14 to 15.5
11 to 12.5
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
81.4 to 85.8
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 3.5 to 5.5
0.5 to 1.0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3