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SAE-AISI 94B17 Steel vs. EN 1.0044 Steel

Both SAE-AISI 94B17 steel and EN 1.0044 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 94B17 steel and the bottom bar is EN 1.0044 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
21
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
300
Tensile Strength: Ultimate (UTS), MPa 440
470
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
85
Resilience: Unit (Modulus of Resilience), kJ/m3 200
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 13
15

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.15 to 0.2
0 to 0.25
Chromium (Cr), % 0.3 to 0.5
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 97.1 to 98.3
97.4 to 100
Manganese (Mn), % 0.75 to 1.0
0 to 1.6
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 0.3 to 0.6
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.045