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SAE-AISI A6 Steel vs. EN 1.7378 Steel

Both SAE-AISI A6 steel and EN 1.7378 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A6 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 750 to 1990
700

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.3
Embodied Energy, MJ/kg 24
33
Embodied Water, L/kg 57
61

Common Calculations

PREN (Pitting Resistance) 4.8
5.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 71
25
Strength to Weight: Bending, points 23 to 45
22
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 25 to 65
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.65 to 0.75
0.050 to 0.1
Chromium (Cr), % 0.9 to 1.2
2.2 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93 to 95.8
94.6 to 96.1
Manganese (Mn), % 1.8 to 2.5
0.3 to 0.7
Molybdenum (Mo), % 0.9 to 1.4
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3