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EN 1.5502 Steel vs. ACI-ASTM CN7MS Steel

Both EN 1.5502 steel and ACI-ASTM CN7MS steel are iron alloys. They have 50% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5502 steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
39
Fatigue Strength, MPa 190 to 290
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
540
Tensile Strength: Yield (Proof), MPa 270 to 440
230

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
1040
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.1
Embodied Energy, MJ/kg 19
71
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
170
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 49
19
Strength to Weight: Bending, points 15 to 35
19
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 12 to 40
13

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0 to 0.070
Chromium (Cr), % 0 to 0.3
18 to 20
Copper (Cu), % 0 to 0.25
1.5 to 2.0
Iron (Fe), % 98 to 99.249
45.4 to 53.5
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
2.5 to 3.5
Sulfur (S), % 0 to 0.025
0 to 0.030