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ACI-ASTM CH20 Steel vs. EN 1.0258 Steel

Both ACI-ASTM CH20 steel and EN 1.0258 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 (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is EN 1.0258 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
23
Fatigue Strength, MPa 290
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 610
490
Tensile Strength: Yield (Proof), MPa 350
290

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 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
49
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.9
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 200
95
Resilience: Unit (Modulus of Resilience), kJ/m3 300
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.2
Chromium (Cr), % 22 to 26
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 54.7 to 66
96.9 to 100
Manganese (Mn), % 0 to 1.5
0 to 1.4
Molybdenum (Mo), % 0 to 0.5
0 to 0.080
Nickel (Ni), % 12 to 15
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
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 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020