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EN 1.8888 Steel vs. SAE-AISI 94B17 Steel

Both EN 1.8888 steel and SAE-AISI 94B17 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 1.8888 steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
25
Fatigue Strength, MPa 470
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
280
Tensile Strength: Ultimate (UTS), MPa 830
440
Tensile Strength: Yield (Proof), MPa 720
270

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
410
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 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 26
20
Embodied Water, L/kg 54
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
96
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 24
13

Alloy Composition

Boron (B), % 0 to 0.0050
0.00050 to 0.0030
Carbon (C), % 0 to 0.2
0.15 to 0.2
Chromium (Cr), % 0 to 1.5
0.3 to 0.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
97.1 to 98.3
Manganese (Mn), % 0 to 1.7
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.7
0.080 to 0.15
Nickel (Ni), % 0 to 2.5
0.3 to 0.6
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0