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ACI-ASTM CA28MWV Steel vs. EN 1.4621 Stainless Steel

Both ACI-ASTM CA28MWV steel and EN 1.4621 stainless steel are iron alloys. They have 90% 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 ACI-ASTM CA28MWV steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 470
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1080
500
Tensile Strength: Yield (Proof), MPa 870
270

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
510
Maximum Temperature: Mechanical, °C 740
970
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
18
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 6.6
5.7
Thermal Shock Resistance, points 40
17

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.030
Chromium (Cr), % 11 to 12.5
20 to 21.5
Copper (Cu), % 0
0.1 to 1.0
Iron (Fe), % 81.4 to 85.8
74.4 to 79.7
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0