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ACI-ASTM CN7M Steel vs. EN 1.4150 Stainless Steel

Both ACI-ASTM CN7M steel and EN 1.4150 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
20
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 480
730
Tensile Strength: Yield (Proof), MPa 200
430

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 21
23
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 32
8.5
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 5.6
2.8
Embodied Energy, MJ/kg 78
42
Embodied Water, L/kg 210
120

Common Calculations

PREN (Pitting Resistance) 29
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 5.6
6.2
Thermal Shock Resistance, points 12
27

Alloy Composition

Carbon (C), % 0 to 0.070
0.45 to 0.6
Chromium (Cr), % 19 to 22
15 to 16.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
79 to 82.8
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.4
Nickel (Ni), % 27.5 to 30.5
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
1.3 to 1.7
Sulfur (S), % 0 to 0.040
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4