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EN 1.7216 Steel vs. EN 1.8936 Steel

Both EN 1.7216 steel and EN 1.8936 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 EN 1.7216 steel and the bottom bar is EN 1.8936 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
20
Fatigue Strength, MPa 290 to 440
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 560
370
Tensile Strength: Ultimate (UTS), MPa 650 to 930
600
Tensile Strength: Yield (Proof), MPa 400 to 690
370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 46
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
24
Embodied Water, L/kg 50
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
21
Strength to Weight: Bending, points 21 to 27
20
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 27
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Carbon (C), % 0.27 to 0.34
0 to 0.2
Chromium (Cr), % 0.8 to 1.2
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 97.2 to 98.4
95.5 to 98.9
Manganese (Mn), % 0.35 to 0.6
1.0 to 1.7
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.1
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.35
0.1 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0
0 to 0.2