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ACI-ASTM CA6NM Steel vs. EN 1.7715 Steel

Both ACI-ASTM CA6NM steel and EN 1.7715 steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
21
Fatigue Strength, MPa 380
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 620
340

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
2.2
Embodied Energy, MJ/kg 34
30
Embodied Water, L/kg 110
52

Common Calculations

PREN (Pitting Resistance) 15
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 31
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.060
0.1 to 0.15
Chromium (Cr), % 11.5 to 14
0.3 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.4 to 84.6
96.5 to 98.3
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0.4 to 1.0
0.5 to 0.7
Nickel (Ni), % 3.5 to 4.5
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28