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SAE-AISI H43 Steel vs. EN 1.4874 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4874 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
480

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 14
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 8.2
7.6
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 100
290

Common Calculations

PREN (Pitting Resistance) 31
34
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 75
16
Strength to Weight: Bending, points 22 to 46
16
Thermal Diffusivity, mm2/s 8.3
3.3
Thermal Shock Resistance, points 21 to 62
11

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.35 to 0.65
Chromium (Cr), % 3.8 to 4.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 83.2 to 85.9
23 to 38.9
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.8 to 8.5
2.5 to 3.0
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0
Vanadium (V), % 1.8 to 2.2
0