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ACI-ASTM CN7MS Steel vs. EN 1.7375 Steel

Both ACI-ASTM CN7MS steel and EN 1.7375 steel are iron alloys. They have 54% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
20
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 540
620
Tensile Strength: Yield (Proof), MPa 230
400

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.1
1.8
Embodied Energy, MJ/kg 71
23
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 28
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.070
0.1 to 0.15
Chromium (Cr), % 18 to 20
2.0 to 2.5
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 45.4 to 53.5
94.5 to 96.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 2.5 to 3.0
0.9 to 1.1
Nickel (Ni), % 22 to 25
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 2.5 to 3.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010