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EN 1.1221 Steel vs. EN 1.7219 Steel

Both EN 1.1221 steel and EN 1.7219 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is EN 1.7219 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
19
Fatigue Strength, MPa 240 to 340
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
400
Tensile Strength: Ultimate (UTS), MPa 730 to 870
650
Tensile Strength: Yield (Proof), MPa 390 to 550
490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
23
Strength to Weight: Bending, points 23 to 26
21
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 23 to 28
19

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.22 to 0.29
Chromium (Cr), % 0 to 0.4
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.1 to 98.8
96.7 to 98.2
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.1
0.15 to 0.3
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.010