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SAE-AISI 94B17 Steel vs. EN 1.0034 Steel

Both SAE-AISI 94B17 steel and EN 1.0034 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 94B17 steel and the bottom bar is EN 1.0034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
97 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
9.0 to 32
Fatigue Strength, MPa 200
140 to 170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
220 to 230
Tensile Strength: Ultimate (UTS), MPa 440
340 to 380
Tensile Strength: Yield (Proof), MPa 270
180 to 280

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
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
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
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
31 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 200
84 to 210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
12 to 13
Strength to Weight: Bending, points 16
14 to 15
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 13
11 to 12

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.15 to 0.2
0 to 0.15
Chromium (Cr), % 0.3 to 0.5
0
Iron (Fe), % 97.1 to 98.3
98.7 to 100
Manganese (Mn), % 0.75 to 1.0
0 to 0.7
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045