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EN 1.7767 Steel vs. ACI-ASTM CK35MN Steel

Both EN 1.7767 steel and ACI-ASTM CK35MN steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 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 EN 1.7767 steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
40
Fatigue Strength, MPa 320 to 340
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 670 to 690
650
Tensile Strength: Yield (Proof), MPa 460 to 500
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.9
Embodied Energy, MJ/kg 33
81
Embodied Water, L/kg 64
210

Common Calculations

PREN (Pitting Resistance) 6.4
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 19 to 20
14

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.035
Chromium (Cr), % 2.8 to 3.3
22 to 24
Copper (Cu), % 0 to 0.25
0 to 0.4
Iron (Fe), % 93.8 to 95.8
43.4 to 51.8
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
6.0 to 6.8
Nickel (Ni), % 0 to 0.25
20 to 22
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.21 to 0.32
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0