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ACI-ASTM CA28MWV Steel vs. EN 1.7703 Steel

Both ACI-ASTM CA28MWV steel and EN 1.7703 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 470
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 1080
670 to 690
Tensile Strength: Yield (Proof), MPa 870
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
460
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 44
35
Embodied Water, L/kg 100
61

Common Calculations

PREN (Pitting Resistance) 17
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 6.6
11
Thermal Shock Resistance, points 40
19 to 20

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.11 to 0.15
Chromium (Cr), % 11 to 12.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 81.4 to 85.8
94.6 to 96.4
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.9 to 1.3
0.9 to 1.1
Nickel (Ni), % 0.5 to 1.0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0.25 to 0.35