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SAE-AISI H43 Steel vs. AWS E33-31

Both SAE-AISI H43 steel and AWS E33-31 are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H43 steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
810

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1530
1380
Melting Onset (Solidus), °C 1480
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 14
36
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 8.2
6.0
Embodied Energy, MJ/kg 120
86
Embodied Water, L/kg 100
260

Common Calculations

PREN (Pitting Resistance) 31
44
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
28
Strength to Weight: Bending, points 22 to 46
24
Thermal Shock Resistance, points 21 to 62
19

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
31 to 35
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 83.2 to 85.9
24.7 to 34.8
Manganese (Mn), % 0.15 to 0.4
2.5 to 4.0
Molybdenum (Mo), % 7.8 to 8.5
1.0 to 2.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 1.8 to 2.2
0