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ASTM Grade HN Steel vs. EN 1.7386 Steel

Both ASTM grade HN steel and EN 1.7386 steel are iron alloys. They have 62% of their average alloy composition in common. There are 25 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 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
18 to 21
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 500
550 to 670

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1080
600
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
2.0
Embodied Energy, MJ/kg 66
28
Embodied Water, L/kg 180
88

Common Calculations

PREN (Pitting Resistance) 22
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
20 to 24
Strength to Weight: Bending, points 18
19 to 22
Thermal Diffusivity, mm2/s 3.5
6.9
Thermal Shock Resistance, points 11
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.2 to 0.5
0.080 to 0.15
Chromium (Cr), % 19 to 23
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 44.9 to 57.8
86.8 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.25 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010