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EN 1.7216 Steel vs. SAE-AISI 51B60 Steel

Both EN 1.7216 steel and SAE-AISI 51B60 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
12 to 21
Fatigue Strength, MPa 290 to 440
280 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 560
390 to 420
Tensile Strength: Ultimate (UTS), MPa 650 to 930
660
Tensile Strength: Yield (Proof), MPa 400 to 690
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
420 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
23
Strength to Weight: Bending, points 21 to 27
22
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 27
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.27 to 0.34
0.56 to 0.64
Chromium (Cr), % 0.8 to 1.2
0.7 to 0.9
Iron (Fe), % 97.2 to 98.4
97 to 97.8
Manganese (Mn), % 0.35 to 0.6
0.75 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040

Comparable Variants