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SAE-AISI H43 Steel vs. EN 1.4451 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4451 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 22 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 SAE-AISI H43 steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
750

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1530
1430
Melting Onset (Solidus), °C 1480
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.8
Embodied Energy, MJ/kg 120
53
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 31
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
27
Strength to Weight: Bending, points 22 to 46
23
Thermal Diffusivity, mm2/s 8.3
4.5
Thermal Shock Resistance, points 21 to 62
16

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
25 to 27
Copper (Cu), % 0
2.8 to 3.5
Iron (Fe), % 83.2 to 85.9
56.2 to 64.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 7.8 to 8.5
2.5 to 3.5
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 1.8 to 2.2
0