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SAE-AISI H43 Steel vs. EN 1.4742 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4742 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
600

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1530
1420
Melting Onset (Solidus), °C 1480
1380
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 30
19
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.0
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.2
Embodied Energy, MJ/kg 120
32
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 31
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
22
Strength to Weight: Bending, points 22 to 46
21
Thermal Diffusivity, mm2/s 8.3
5.1
Thermal Shock Resistance, points 21 to 62
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.5 to 0.65
0 to 0.12
Chromium (Cr), % 3.8 to 4.5
17 to 19
Iron (Fe), % 83.2 to 85.9
77.2 to 81.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.8 to 8.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 1.8 to 2.2
0