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Quarter-hard AISI 301 vs. Quarter-hard AISI 304LN

Both quarter-hard AISI 301 and quarter-hard AISI 304LN are iron alloys. Both are furnished in the quarter-hard temper. They have a moderately high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is quarter-hard AISI 301 and the bottom bar is quarter-hard AISI 304LN.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290
300
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
14
Fatigue Strength, MPa 430
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 630
590
Tensile Strength: Ultimate (UTS), MPa 960
980
Tensile Strength: Yield (Proof), MPa 590
580

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 840
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 880
840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34
35
Strength to Weight: Bending, points 28
28
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 70.7 to 78
65 to 73.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
8.0 to 12
Nitrogen (N), % 0 to 0.1
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030