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EN 1.3555 Steel vs. ASTM Grade HN Steel

Both EN 1.3555 steel and ASTM grade HN steel are iron alloys. They have 60% of their average alloy composition in common. There are 22 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 EN 1.3555 steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 770
500

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1080
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.6
Embodied Energy, MJ/kg 81
66
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 18
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
18
Thermal Shock Resistance, points 22
11

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.2 to 0.5
Chromium (Cr), % 3.9 to 4.3
19 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
44.9 to 57.8
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 3.2 to 3.6
23 to 27
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0