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SAE-AISI 9254 Steel vs. EN 1.7216 Steel

Both SAE-AISI 9254 steel and EN 1.7216 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 9254 steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 23
Fatigue Strength, MPa 280
290 to 440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 410
410 to 560
Tensile Strength: Ultimate (UTS), MPa 660
650 to 930
Tensile Strength: Yield (Proof), MPa 410
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 49
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 33
Strength to Weight: Bending, points 22
21 to 27
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20
19 to 27

Alloy Composition

Carbon (C), % 0.51 to 0.59
0.27 to 0.34
Chromium (Cr), % 0.6 to 0.8
0.8 to 1.2
Iron (Fe), % 96.1 to 97.1
97.2 to 98.4
Manganese (Mn), % 0.6 to 0.8
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 1.2 to 1.6
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.035