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EN 1.4729 Stainless Steel vs. SAE-AISI H43 Steel

Both EN 1.4729 stainless steel and SAE-AISI H43 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 H43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
77

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1530
Melting Onset (Solidus), °C 1380
1480
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 24
30
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
14
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.1
8.2
Embodied Energy, MJ/kg 29
120
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
8.3

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.5 to 0.65
Chromium (Cr), % 12 to 14
3.8 to 4.5
Iron (Fe), % 80.4 to 86.7
83.2 to 85.9
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.5
7.8 to 8.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
1.8 to 2.2