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EN 1.7216 Steel vs. SAE-AISI 9260 Steel

Both EN 1.7216 steel and SAE-AISI 9260 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is SAE-AISI 9260 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
21
Fatigue Strength, MPa 290 to 440
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 410 to 560
420
Tensile Strength: Ultimate (UTS), MPa 650 to 930
660
Tensile Strength: Yield (Proof), MPa 400 to 690
380

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 50
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 33
24
Strength to Weight: Bending, points 21 to 27
22
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 27
20

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.56 to 0.64
Chromium (Cr), % 0.8 to 1.2
0
Iron (Fe), % 97.2 to 98.4
96.1 to 96.9
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
1.8 to 2.2
Sulfur (S), % 0 to 0.035
0 to 0.040