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AWS E240 vs. SAE-AISI H14 Steel

Both AWS E240 and SAE-AISI H14 steel are iron alloys. They have 70% of their average alloy composition in common. There are 22 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 AWS E240 and the bottom bar is SAE-AISI H14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 770
710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1390
1530
Melting Onset (Solidus), °C 1350
1490
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
35
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
15
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 160
73

Common Calculations

PREN (Pitting Resistance) 22
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
24 to 69
Strength to Weight: Bending, points 24
22 to 44
Thermal Diffusivity, mm2/s 3.9
9.3
Thermal Shock Resistance, points 19
24 to 68

Alloy Composition

Carbon (C), % 0 to 0.060
0.35 to 0.45
Chromium (Cr), % 17 to 19
4.8 to 5.5
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 58.6 to 68.4
86.5 to 89.9
Manganese (Mn), % 10.5 to 13.5
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.0 to 6.0
0 to 0.3
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
4.0 to 5.3