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ACI-ASTM CH10 Steel vs. EN 1.1221 Steel

Both ACI-ASTM CH10 steel and EN 1.1221 steel are iron alloys. They have 62% 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 ACI-ASTM CH10 steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
10 to 21
Fatigue Strength, MPa 180
240 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 540
730 to 870
Tensile Strength: Yield (Proof), MPa 230
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.5
Embodied Energy, MJ/kg 53
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
26 to 31
Strength to Weight: Bending, points 19
23 to 26
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 12
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.1
0.57 to 0.65
Chromium (Cr), % 22 to 26
0 to 0.4
Iron (Fe), % 54.8 to 66
97.1 to 98.8
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 12 to 15
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035