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SAE-AISI H14 Steel vs. N08800 Stainless Steel

Both SAE-AISI H14 steel and N08800 stainless steel are iron alloys. They have 51% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is N08800 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
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
500 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1530
1390
Melting Onset (Solidus), °C 1490
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
12
Thermal Expansion, µm/m-K 11
14

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
30
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.3
Embodied Energy, MJ/kg 39
76
Embodied Water, L/kg 73
200

Common Calculations

PREN (Pitting Resistance) 13
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
18 to 35
Strength to Weight: Bending, points 22 to 44
18 to 28
Thermal Diffusivity, mm2/s 9.3
3.0
Thermal Shock Resistance, points 24 to 68
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.35 to 0.45
0 to 0.1
Chromium (Cr), % 4.8 to 5.5
19 to 23
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 86.5 to 89.9
39.5 to 50.7
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 4.0 to 5.3
0

Comparable Variants