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SAE-AISI H43 Steel vs. EN 1.3551 Steel

Both SAE-AISI H43 steel and EN 1.3551 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (4, 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 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
720

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1530
1490
Melting Onset (Solidus), °C 1480
1450
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 30
36
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 8.2
4.9
Embodied Energy, MJ/kg 120
71
Embodied Water, L/kg 100
82

Common Calculations

PREN (Pitting Resistance) 31
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 75
26
Strength to Weight: Bending, points 22 to 46
23
Thermal Diffusivity, mm2/s 8.3
9.8
Thermal Shock Resistance, points 21 to 62
21

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.77 to 0.85
Chromium (Cr), % 3.8 to 4.5
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.2 to 85.9
88.8 to 91.1
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.35
Molybdenum (Mo), % 7.8 to 8.5
4.0 to 4.5
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 1.8 to 2.2
0.9 to 1.1