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EN 1.8825 Steel vs. SAE-AISI 94B30 Steel

Both EN 1.8825 steel and SAE-AISI 94B30 steel are iron alloys. Their average alloy composition is basically identical. 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 EN 1.8825 steel and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
25
Fatigue Strength, MPa 290
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
320
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 420
300

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
20
Embodied Water, L/kg 50
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.18
0.28 to 0.33
Chromium (Cr), % 0 to 0.35
0.3 to 0.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.1 to 99.985
97 to 98.1
Manganese (Mn), % 0 to 1.8
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.23
0.080 to 0.15
Nickel (Ni), % 0 to 0.85
0.3 to 0.6
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.55
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0