MakeItFrom.com
Menu (ESC)

AWS E2594 vs. SAE-AISI 4340M Steel

Both AWS E2594 and SAE-AISI 4340M steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 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 AWS E2594 and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
6.0
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 850
2340

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
38
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.9
Embodied Energy, MJ/kg 60
26
Embodied Water, L/kg 190
55

Common Calculations

PREN (Pitting Resistance) 43
2.2
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
84
Strength to Weight: Bending, points 25
51
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 21
70

Alloy Composition

Carbon (C), % 0 to 0.040
0.38 to 0.43
Chromium (Cr), % 24 to 27
0.7 to 1.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
93.3 to 94.8
Manganese (Mn), % 0.5 to 2.0
0.65 to 0.9
Molybdenum (Mo), % 3.5 to 4.5
0.35 to 0.45
Nickel (Ni), % 8.0 to 10.5
1.7 to 2.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.012
Silicon (Si), % 0 to 1.0
1.5 to 1.8
Sulfur (S), % 0 to 0.030
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1