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SAE-AISI H19 Steel vs. S44537 Stainless Steel

Both SAE-AISI H19 steel and S44537 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 22 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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
510

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1540
1480
Melting Onset (Solidus), °C 1490
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 29
21
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.4
Embodied Energy, MJ/kg 110
50
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 13
26
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
18
Strength to Weight: Bending, points 22 to 43
18
Thermal Diffusivity, mm2/s 7.9
5.6
Thermal Shock Resistance, points 21 to 59
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.0 to 4.8
20 to 24
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 81.4 to 85.5
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.2 to 0.5
0 to 0.8
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.2 to 0.5
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 3.8 to 4.5
1.0 to 3.0
Vanadium (V), % 1.8 to 2.2
0