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ACI-ASTM CH20 Steel vs. ASTM A369 Grade FP5

Both ACI-ASTM CH20 steel and ASTM A369 grade FP5 are iron alloys. They have 66% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is ASTM A369 grade FP5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
20
Fatigue Strength, MPa 290
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 610
470
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
510
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
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.7
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 180
69

Common Calculations

PREN (Pitting Resistance) 25
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
80
Resilience: Unit (Modulus of Resilience), kJ/m3 300
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.15
Chromium (Cr), % 22 to 26
4.0 to 6.0
Iron (Fe), % 54.7 to 66
92.1 to 95.3
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025