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AISI 301 Stainless Steel vs. ASTM Grade HN Steel

Both AISI 301 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 301 stainless steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.4 to 46
9.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
500

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 840
1080
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 17
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) 18
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 52
17
Strength to Weight: Bending, points 20 to 37
18
Thermal Diffusivity, mm2/s 4.2
3.5
Thermal Shock Resistance, points 12 to 31
11

Alloy Composition

Carbon (C), % 0 to 0.15
0.2 to 0.5
Chromium (Cr), % 16 to 18
19 to 23
Iron (Fe), % 70.7 to 78
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 to 0.1
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