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Annealed AISI 416 vs. Annealed SAE-AISI D7

Both annealed AISI 416 and annealed SAE-AISI D7 are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is annealed AISI 416 and the bottom bar is annealed SAE-AISI D7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 510
800

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
27
Thermal Expansion, µm/m-K 9.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
10
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.9
11
Embodied Energy, MJ/kg 27
180
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 13
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 8.1
7.4
Thermal Shock Resistance, points 19
27

Alloy Composition

Carbon (C), % 0 to 0.15
2.2 to 2.5
Chromium (Cr), % 12 to 14
11.5 to 13.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.2 to 87.9
76.6 to 81.9
Manganese (Mn), % 0 to 1.3
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4