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EN 1.4606 Stainless Steel vs. ASTM Grade HN Steel

Both EN 1.4606 stainless steel and ASTM grade HN 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 EN 1.4606 stainless steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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