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ASTM Grade HN Steel vs. EN 1.7244 Steel

Both ASTM grade HN steel and EN 1.7244 steel are iron alloys. They have 54% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is EN 1.7244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
470 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1080
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
44
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
1.5
Embodied Energy, MJ/kg 66
20
Embodied Water, L/kg 180
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17 to 49
Strength to Weight: Bending, points 18
17 to 35
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 11
14 to 41

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.15 to 0.21
Chromium (Cr), % 19 to 23
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.9 to 57.8
96.8 to 98.2
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0.020 to 0.040