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EN 1.0033 +A Steel vs. Annealed SAE-AISI A6

Both EN 1.0033 +A steel and annealed SAE-AISI A6 are iron alloys. Both are furnished in the annealed condition. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0033 +A steel and the bottom bar is annealed SAE-AISI A6.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
21
Fatigue Strength, MPa 120
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 200
470
Tensile Strength: Ultimate (UTS), MPa 300
750
Tensile Strength: Yield (Proof), MPa 150
410

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
41
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 18
24
Embodied Water, L/kg 45
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
130
Resilience: Unit (Modulus of Resilience), kJ/m3 63
440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10
27
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 9.4
25

Alloy Composition

Carbon (C), % 0 to 0.11
0.65 to 0.75
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.8 to 100
93 to 95.8
Manganese (Mn), % 0 to 0.7
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.030