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Hardened AISI 414 vs. Hardened SAE-AISI T15

Both hardened AISI 414 and hardened SAE-AISI T15 are iron alloys. Both are furnished in the hardened (H) condition. They have 76% of their average alloy composition in common. There are 22 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 hardened AISI 414 and the bottom bar is hardened SAE-AISI T15.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 960
2240

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1440
1690
Melting Onset (Solidus), °C 1400
1640
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
43
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 2.1
16
Embodied Energy, MJ/kg 29
250
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 13
27
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 34
71
Strength to Weight: Bending, points 28
43
Thermal Diffusivity, mm2/s 6.7
5.6
Thermal Shock Resistance, points 35
70

Alloy Composition

Carbon (C), % 0 to 0.15
1.5 to 1.6
Chromium (Cr), % 11.5 to 13.5
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.8 to 87.3
67.5 to 73.5
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 1.3 to 2.5
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3