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ACI-ASTM CA28MWV Steel vs. EN 1.4618 Stainless Steel

Both ACI-ASTM CA28MWV steel and EN 1.4618 stainless steel are iron alloys. They have 81% 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 ACI-ASTM CA28MWV steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
51
Fatigue Strength, MPa 470
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1080
680 to 700
Tensile Strength: Yield (Proof), MPa 870
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 740
900
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 44
39
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
24 to 25
Strength to Weight: Bending, points 30
22 to 23
Thermal Diffusivity, mm2/s 6.6
4.0
Thermal Shock Resistance, points 40
15 to 16

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.1
Chromium (Cr), % 11 to 12.5
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 81.4 to 85.8
62.7 to 72.5
Manganese (Mn), % 0.5 to 1.0
5.5 to 9.5
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0