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ASTM Grade HN Steel vs. EN 1.4606 Stainless Steel

Both ASTM grade HN steel and EN 1.4606 stainless steel are iron alloys. They have a moderately high 93% 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 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
23 to 39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 500
600 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
770
Maximum Temperature: Mechanical, °C 1080
910
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.6
6.0
Embodied Energy, MJ/kg 66
87
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 22
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
21 to 36
Strength to Weight: Bending, points 18
20 to 28
Thermal Diffusivity, mm2/s 3.5
3.7
Thermal Shock Resistance, points 11
21 to 35

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.2 to 0.5
0 to 0.080
Chromium (Cr), % 19 to 23
13 to 16
Iron (Fe), % 44.9 to 57.8
49.2 to 59
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 1.5
Nickel (Ni), % 23 to 27
24 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5