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SAE-AISI D7 Steel vs. AWS E2209

Both SAE-AISI D7 steel and AWS E2209 are iron alloys. They have 77% 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 SAE-AISI D7 steel and the bottom bar is AWS E2209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
770

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
16
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 11
4.0
Embodied Energy, MJ/kg 180
55
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 16
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 78
27
Strength to Weight: Bending, points 25 to 48
24
Thermal Diffusivity, mm2/s 7.4
4.3
Thermal Shock Resistance, points 27 to 72
20

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.040
Chromium (Cr), % 11.5 to 13.5
21.5 to 23.5
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 76.6 to 81.9
58.4 to 66.9
Manganese (Mn), % 0 to 0.6
0.5 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 3.8 to 4.4
0