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ASTM Grade HN Steel vs. ZA-12

ASTM grade HN steel belongs to the iron alloys classification, while ZA-12 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
83
Elongation at Break, % 9.0
1.6 to 5.3
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
33
Tensile Strength: Ultimate (UTS), MPa 500
260 to 400

Thermal Properties

Latent Heat of Fusion, J/g 310
120
Maximum Temperature: Mechanical, °C 1080
100
Melting Completion (Liquidus), °C 1400
430
Melting Onset (Solidus), °C 1350
380
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 7.9
6.0
Embodied Carbon, kg CO2/kg material 4.6
3.4
Embodied Energy, MJ/kg 66
64
Embodied Water, L/kg 180
440

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
12 to 19
Strength to Weight: Bending, points 18
15 to 20
Thermal Diffusivity, mm2/s 3.5
43
Thermal Shock Resistance, points 11
9.4 to 14

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
0.5 to 1.2
Iron (Fe), % 44.9 to 57.8
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.060
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
87.1 to 89