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ACI-ASTM CA28MWV Steel vs. ASTM Grade HN Steel

Both ACI-ASTM CA28MWV steel and ASTM grade HN steel are iron alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
9.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1080
500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
420
Maximum Temperature: Mechanical, °C 740
1080
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.6
Embodied Energy, MJ/kg 44
66
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 6.6
3.5
Thermal Shock Resistance, points 40
11

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.2 to 0.5
Chromium (Cr), % 11 to 12.5
19 to 23
Iron (Fe), % 81.4 to 85.8
44.9 to 57.8
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0