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ASTM Grade HN Steel vs. EN 1.4487 Stainless Steel

Both ASTM grade HN steel and EN 1.4487 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.4487 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
560

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1080
960
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
3.1
Embodied Energy, MJ/kg 66
44
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 22
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.5
4.2
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.030
Chromium (Cr), % 19 to 23
18 to 20
Iron (Fe), % 44.9 to 57.8
64.7 to 72.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
9.0 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030