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ASTM Grade HN Steel vs. EN 1.4416 Stainless Steel

Both ASTM grade HN steel and EN 1.4416 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 1.4416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
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
79
Tensile Strength: Ultimate (UTS), MPa 500
500

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
31
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.6
5.8
Embodied Energy, MJ/kg 66
79
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 22
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.5
3.2
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.030
Chromium (Cr), % 19 to 23
19 to 21
Iron (Fe), % 44.9 to 57.8
45.2 to 52.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
4.5 to 5.5
Nickel (Ni), % 23 to 27
24 to 26
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020