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SAE-AISI H43 Steel vs. EN 1.7709 Steel

Both SAE-AISI H43 steel and EN 1.7709 steel are iron alloys. They have 88% 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 1.7709 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
73
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1530
1470
Melting Onset (Solidus), °C 1480
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 30
33
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.3
Embodied Energy, MJ/kg 120
32
Embodied Water, L/kg 100
56

Common Calculations

PREN (Pitting Resistance) 31
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 75
23 to 27
Strength to Weight: Bending, points 22 to 46
21 to 24
Thermal Diffusivity, mm2/s 8.3
8.9
Thermal Shock Resistance, points 21 to 62
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.5 to 0.65
0.17 to 0.25
Chromium (Cr), % 3.8 to 4.5
1.2 to 1.5
Iron (Fe), % 83.2 to 85.9
95.2 to 97.5
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.8
Molybdenum (Mo), % 7.8 to 8.5
0.55 to 0.8
Nickel (Ni), % 0
0 to 0.6
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 0.030
Vanadium (V), % 1.8 to 2.2
0.2 to 0.35