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ASTM Grade HN Steel vs. EN 1.4841 Stainless Steel

Both ASTM grade HN steel and EN 1.4841 stainless steel are iron alloys. They have a moderately 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 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
32
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 500
650

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1080
1150
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1350
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
4.3
Embodied Energy, MJ/kg 66
62
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 22
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.2
Chromium (Cr), % 19 to 23
24 to 26
Iron (Fe), % 44.9 to 57.8
47.1 to 55.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
1.5 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.015