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EN 1.4986 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both EN 1.4986 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 78% of their average alloy composition in common. There are 32 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 EN 1.4986 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
11
Fatigue Strength, MPa 350
470
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 750
1080
Tensile Strength: Yield (Proof), MPa 560
870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 520
380
Maximum Temperature: Mechanical, °C 940
740
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 67
44
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 22
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 790
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
38
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 16
40

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0.2 to 0.28
Chromium (Cr), % 15.5 to 17.5
11 to 12.5
Iron (Fe), % 59.4 to 66.6
81.4 to 85.8
Manganese (Mn), % 0 to 1.5
0.5 to 1.0
Molybdenum (Mo), % 1.6 to 2.0
0.9 to 1.3
Nickel (Ni), % 15.5 to 17.5
0.5 to 1.0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0.3 to 0.6
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