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SAE-AISI H43 Steel vs. EN 1.4008 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4008 stainless steel are iron alloys. They have 89% 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 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
670

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.1
Embodied Energy, MJ/kg 120
30
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 31
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
24
Strength to Weight: Bending, points 22 to 46
22
Thermal Diffusivity, mm2/s 8.3
6.7
Thermal Shock Resistance, points 21 to 62
23

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
12 to 13.5
Iron (Fe), % 83.2 to 85.9
81.8 to 86.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.8 to 8.5
0.2 to 0.5
Nickel (Ni), % 0
1.0 to 2.0
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