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SAE-AISI H14 Steel vs. N08330 Stainless Steel

Both SAE-AISI H14 steel and N08330 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is N08330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
550

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1530
1390
Melting Onset (Solidus), °C 1490
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
32
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.4
Embodied Energy, MJ/kg 39
77
Embodied Water, L/kg 73
190

Common Calculations

PREN (Pitting Resistance) 13
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
19
Strength to Weight: Bending, points 22 to 44
18
Thermal Diffusivity, mm2/s 9.3
3.1
Thermal Shock Resistance, points 24 to 68
13

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.080
Chromium (Cr), % 4.8 to 5.5
17 to 20
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 86.5 to 89.9
38.3 to 48.3
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Nickel (Ni), % 0 to 0.3
34 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Tungsten (W), % 4.0 to 5.3
0