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SAE-AISI 4340M Steel vs. AWS E410

Both SAE-AISI 4340M steel and AWS E410 are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4340M steel and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.0
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 2340
580
Tensile Strength: Yield (Proof), MPa 1240
440

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 38
28
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 26
28
Embodied Water, L/kg 55
100

Common Calculations

PREN (Pitting Resistance) 2.2
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 4120
500
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 84
21
Strength to Weight: Bending, points 51
20
Thermal Diffusivity, mm2/s 10
7.5
Thermal Shock Resistance, points 70
16

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.12
Chromium (Cr), % 0.7 to 1.0
11 to 13.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 93.3 to 94.8
82.2 to 89
Manganese (Mn), % 0.65 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.45
0 to 0.75
Nickel (Ni), % 1.7 to 2.0
0 to 0.7
Phosphorus (P), % 0 to 0.012
0 to 0.040
Silicon (Si), % 1.5 to 1.8
0 to 0.9
Sulfur (S), % 0 to 0.012
0 to 0.030
Vanadium (V), % 0.050 to 0.1
0