MakeItFrom.com
Menu (ESC)

ACI-ASTM CN7M Steel vs. EN 1.3538 Steel

Both ACI-ASTM CN7M steel and EN 1.3538 steel are iron alloys. They have 46% of their average alloy composition in common. There are 26 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 ACI-ASTM CN7M steel and the bottom bar is EN 1.3538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 480
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
41
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.6
Embodied Energy, MJ/kg 78
21
Embodied Water, L/kg 210
56

Common Calculations

PREN (Pitting Resistance) 29
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
24 to 26
Strength to Weight: Bending, points 17
22 to 23
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 12
20 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.070
0.93 to 1.1
Chromium (Cr), % 19 to 22
1.7 to 2.0
Copper (Cu), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 37.4 to 48.5
96 to 97.2
Manganese (Mn), % 0 to 1.5
0.6 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.4 to 0.5
Nickel (Ni), % 27.5 to 30.5
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.030