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ACI-ASTM CK20 Steel vs. EN 1.7366 Steel

Both ACI-ASTM CK20 steel and EN 1.7366 steel are iron alloys. They have 58% of their average alloy composition in common. There are 31 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 CK20 steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 37
17 to 19
Fatigue Strength, MPa 220
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 530
460 to 710
Tensile Strength: Yield (Proof), MPa 260
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
510
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.7
Embodied Energy, MJ/kg 62
23
Embodied Water, L/kg 190
69

Common Calculations

PREN (Pitting Resistance) 26
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
16 to 25
Strength to Weight: Bending, points 19
17 to 23
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.18
Chromium (Cr), % 23 to 27
4.0 to 6.0
Iron (Fe), % 46.7 to 58
91.9 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015