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SAE-AISI H43 Steel vs. ASTM A387 Grade 5 Steel

Both SAE-AISI H43 steel and ASTM A387 grade 5 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 ASTM A387 grade 5 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
74
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
500 to 600

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1480
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.7
Embodied Energy, MJ/kg 120
23
Embodied Water, L/kg 100
69

Common Calculations

PREN (Pitting Resistance) 31
6.8
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
18 to 21
Strength to Weight: Bending, points 22 to 46
18 to 20
Thermal Diffusivity, mm2/s 8.3
11
Thermal Shock Resistance, points 21 to 62
14 to 17

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
4.0 to 6.0
Iron (Fe), % 83.2 to 85.9
92.1 to 95.3
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 7.8 to 8.5
0.45 to 0.65
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants