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SAE-AISI H11 Steel vs. S45503 Stainless Steel

Both SAE-AISI H11 steel and S45503 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 43
48
Embodied Water, L/kg 75
120

Common Calculations

PREN (Pitting Resistance) 9.6
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 66
57 to 65
Strength to Weight: Bending, points 22 to 43
39 to 43
Thermal Shock Resistance, points 22 to 58
56 to 64

Alloy Composition

Carbon (C), % 0.33 to 0.43
0 to 0.010
Chromium (Cr), % 4.8 to 5.5
11 to 12.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 89.6 to 92.5
72.4 to 78.9
Manganese (Mn), % 0.2 to 0.5
0 to 0.5
Molybdenum (Mo), % 1.1 to 1.6
0 to 0.5
Nickel (Ni), % 0 to 0.3
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.8 to 1.2
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4
Vanadium (V), % 0.3 to 0.6
0