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SAE-AISI H19 Steel vs. S45500 Stainless Steel

Both SAE-AISI H19 steel and S45500 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 20 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 SAE-AISI H19 steel and the bottom bar is S45500 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 75
75
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1540
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
17
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.8
Embodied Energy, MJ/kg 110
57
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 13
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 68
48 to 65
Strength to Weight: Bending, points 22 to 43
35 to 42
Thermal Shock Resistance, points 21 to 59
48 to 64

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.050
Chromium (Cr), % 4.0 to 4.8
11 to 12.5
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 81.4 to 85.5
71.5 to 79.2
Manganese (Mn), % 0.2 to 0.5
0 to 0.5
Molybdenum (Mo), % 0.3 to 0.55
0 to 0.5
Nickel (Ni), % 0 to 0.3
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants