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S20910 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both S20910 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 S20910 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
11
Fatigue Strength, MPa 310 to 460
470
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56 to 62
27
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 780 to 940
1080
Tensile Strength: Yield (Proof), MPa 430 to 810
870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1080
740
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 68
44
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 34
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
38
Strength to Weight: Bending, points 24 to 27
30
Thermal Diffusivity, mm2/s 3.6
6.6
Thermal Shock Resistance, points 17 to 21
40

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.28
Chromium (Cr), % 20.5 to 23.5
11 to 12.5
Iron (Fe), % 52.1 to 62.1
81.4 to 85.8
Manganese (Mn), % 4.0 to 6.0
0.5 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0.9 to 1.3
Nickel (Ni), % 11.5 to 13.5
0.5 to 1.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0.1 to 0.3
0.2 to 0.3