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ASTM Grade HN Steel vs. EN 1.0031 Steel

Both ASTM grade HN steel and EN 1.0031 steel are iron alloys. They have 52% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.0031 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
89
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
310

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
53
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.6
1.4
Embodied Energy, MJ/kg 66
18
Embodied Water, L/kg 180
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
11
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 11
9.8

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.1
Chromium (Cr), % 19 to 23
0
Iron (Fe), % 44.9 to 57.8
98.8 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045