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AISI 301LN Stainless Steel vs. ASTM Grade HN Steel

Both AISI 301LN stainless steel and ASTM grade HN steel are iron alloys. They have 77% 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 AISI 301LN stainless steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 51
9.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 630 to 1060
500

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 890
1080
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.6
Embodied Energy, MJ/kg 39
66
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 38
17
Strength to Weight: Bending, points 21 to 30
18
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 14 to 24
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 16 to 18
19 to 23
Iron (Fe), % 70.7 to 77.9
44.9 to 57.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
23 to 27
Nitrogen (N), % 0.070 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040