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EN 1.7216 Steel vs. EN 1.6570 Steel

Both EN 1.7216 steel and EN 1.6570 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
11 to 17
Fatigue Strength, MPa 290 to 440
500 to 660
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 650 to 930
910 to 1130
Tensile Strength: Yield (Proof), MPa 400 to 690
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
440
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
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 50
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
32 to 40
Strength to Weight: Bending, points 21 to 27
27 to 31
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 27
27 to 33

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.28 to 0.35
Chromium (Cr), % 0.8 to 1.2
1.0 to 1.4
Iron (Fe), % 97.2 to 98.4
94 to 96.2
Manganese (Mn), % 0.35 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015