MakeItFrom.com
Menu (ESC)

EN 1.1181 +NT Steel vs. EN 1.7767 +NT Steel

Both EN 1.1181 +NT steel and EN 1.7767 +NT steel are iron alloys. Both are furnished in the normalized and tempered condition. They have a very high 96% 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 EN 1.1181 +NT steel and the bottom bar is EN 1.7767 +NT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 190
340
Impact Strength: V-Notched Charpy, J 23
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 350
430
Tensile Strength: Ultimate (UTS), MPa 560
690
Tensile Strength: Yield (Proof), MPa 280
500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
480
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
33
Embodied Water, L/kg 47
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.1 to 0.15
Chromium (Cr), % 0 to 0.4
2.8 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.4 to 99.18
93.8 to 95.8
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.1
Nickel (Ni), % 0 to 0.4
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.15
Sulfur (S), % 0 to 0.035
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3