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ACI-ASTM CN7MS Steel vs. EN 1.7335 Steel

Both ACI-ASTM CN7MS steel and EN 1.7335 steel are iron alloys. They have 52% 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 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
21 to 22
Fatigue Strength, MPa 200
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
500 to 520
Tensile Strength: Yield (Proof), MPa 230
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
430
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.1
1.6
Embodied Energy, MJ/kg 71
21
Embodied Water, L/kg 180
52

Common Calculations

PREN (Pitting Resistance) 28
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 140
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.070
0.080 to 0.18
Chromium (Cr), % 18 to 20
0.7 to 1.2
Copper (Cu), % 1.5 to 2.0
0 to 0.3
Iron (Fe), % 45.4 to 53.5
96.4 to 98.4
Manganese (Mn), % 0 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.4 to 0.6
Nickel (Ni), % 22 to 25
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010