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ASTM Grade HN Steel vs. EN 1.4310 Stainless Steel

Both ASTM grade HN steel and EN 1.4310 stainless steel are iron alloys. They have 79% 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 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
14 to 45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
730 to 900

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1080
910
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
15
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
2.9
Embodied Energy, MJ/kg 66
42
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 22
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
26 to 32
Strength to Weight: Bending, points 18
23 to 27
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 11
15 to 18

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.050 to 0.15
Chromium (Cr), % 19 to 23
16 to 19
Iron (Fe), % 44.9 to 57.8
66.4 to 78
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 23 to 27
6.0 to 9.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015