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SAE-AISI H11 Steel vs. AISI 317 Stainless Steel

Both SAE-AISI H11 steel and AISI 317 stainless steel are iron alloys. They have 70% 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 H11 steel and the bottom bar is AISI 317 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 74
79
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
580 to 710

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 75
160

Common Calculations

PREN (Pitting Resistance) 9.6
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 66
20 to 25
Strength to Weight: Bending, points 22 to 43
20 to 22
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 22 to 58
12 to 15

Alloy Composition

Carbon (C), % 0.33 to 0.43
0 to 0.080
Chromium (Cr), % 4.8 to 5.5
18 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.6 to 92.5
58 to 68
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.1 to 1.6
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.8 to 1.2
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.3 to 0.6
0