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ACI-ASTM CA6NM Steel vs. EN 1.6957 Steel

Both ACI-ASTM CA6NM steel and EN 1.6957 steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, 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 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Fatigue Strength, MPa 380
530
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40
46
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
930
Tensile Strength: Yield (Proof), MPa 620
780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
2.1
Embodied Energy, MJ/kg 34
29
Embodied Water, L/kg 110
60

Common Calculations

PREN (Pitting Resistance) 15
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
33
Strength to Weight: Bending, points 26
27
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 31
27

Alloy Composition

Carbon (C), % 0 to 0.060
0.22 to 0.32
Chromium (Cr), % 11.5 to 14
1.2 to 1.8
Iron (Fe), % 78.4 to 84.6
92.7 to 94.7
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0.4 to 1.0
0.25 to 0.45
Nickel (Ni), % 3.5 to 4.5
3.4 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15