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Annealed AISI 304L vs. Annealed SAE-AISI H41

Both annealed AISI 304L and annealed SAE-AISI H41 are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is annealed AISI 304L and the bottom bar is annealed SAE-AISI H41.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 540
710

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1450
1560
Melting Onset (Solidus), °C 1400
1510
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 16
28
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
18
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.1
6.8
Embodied Energy, MJ/kg 44
97
Embodied Water, L/kg 150
97

Common Calculations

PREN (Pitting Resistance) 20
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 4.2
7.7
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 18 to 20
3.5 to 4.0
Iron (Fe), % 65 to 74
81.8 to 85
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3