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SAE-AISI H43 Steel vs. EN 1.4021 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4021 stainless steel are iron alloys. They have 90% 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 1.4021 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
630 to 880

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 8.2
1.9
Embodied Energy, MJ/kg 120
27
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 31
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
23 to 31
Strength to Weight: Bending, points 22 to 46
21 to 26
Thermal Diffusivity, mm2/s 8.3
8.1
Thermal Shock Resistance, points 21 to 62
22 to 31

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.16 to 0.25
Chromium (Cr), % 3.8 to 4.5
12 to 14
Iron (Fe), % 83.2 to 85.9
83.2 to 87.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
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 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants