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SAE-AISI H19 Steel vs. S44700 Stainless Steel

Both SAE-AISI H19 steel and S44700 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
82
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
600

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
18
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.5
3.6
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 13
42
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
21
Strength to Weight: Bending, points 22 to 43
20
Thermal Shock Resistance, points 21 to 59
19

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.010
Chromium (Cr), % 4.0 to 4.8
28 to 30
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.15
Iron (Fe), % 81.4 to 85.5
64.9 to 68.5
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Molybdenum (Mo), % 0.3 to 0.55
3.5 to 4.2
Nickel (Ni), % 0 to 0.3
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0