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EN 1.7228 Steel vs. EN 1.8833 Steel

Both EN 1.7228 steel and EN 1.8833 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 1.7228 steel and the bottom bar is EN 1.8833 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
25
Fatigue Strength, MPa 390
280
Impact Strength: V-Notched Charpy, J 22
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 540
340
Tensile Strength: Ultimate (UTS), MPa 900
530
Tensile Strength: Yield (Proof), MPa 630
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 51
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1050
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 26
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.030
Carbon (C), % 0.46 to 0.54
0 to 0.14
Chromium (Cr), % 0.9 to 1.2
0
Iron (Fe), % 96.7 to 98
96.8 to 99.98
Manganese (Mn), % 0.5 to 0.8
0 to 1.6
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1