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EN 1.7375 Steel vs. ACI-ASTM CH20 Steel

Both EN 1.7375 steel and ACI-ASTM CH20 steel are iron alloys. They have 64% 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 EN 1.7375 steel and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
38
Fatigue Strength, MPa 270
290
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 620
610
Tensile Strength: Yield (Proof), MPa 400
350

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.7
Embodied Energy, MJ/kg 23
53
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.6
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 420
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.2
Chromium (Cr), % 2.0 to 2.5
22 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.5 to 96.7
54.7 to 66
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.5
Nickel (Ni), % 0 to 0.3
12 to 15
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040