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EN 1.4729 Stainless Steel vs. SAE-AISI H19 Steel

Both EN 1.4729 stainless steel and SAE-AISI H19 steel are iron alloys. They have 89% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1540
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 24
29
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
22
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.1
7.5
Embodied Energy, MJ/kg 29
110
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 14
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
7.9

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.32 to 0.45
Chromium (Cr), % 12 to 14
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.4 to 86.7
81.4 to 85.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.3 to 0.55
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2