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SAE-AISI H19 Steel vs. S44535 Stainless Steel

Both SAE-AISI H19 steel and S44535 stainless steel are iron alloys. They have 82% 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 S44535 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
78
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
450

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1540
1430
Melting Onset (Solidus), °C 1490
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 29
21
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.5
2.4
Embodied Energy, MJ/kg 110
34
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 13
22
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
16
Strength to Weight: Bending, points 22 to 43
17
Thermal Diffusivity, mm2/s 7.9
5.6
Thermal Shock Resistance, points 21 to 59
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
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
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.8
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.2 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0