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EN 1.7767 Steel vs. EN 1.7701 Steel

Both EN 1.7767 steel and EN 1.7701 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is EN 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670 to 690
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 480
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.9
Embodied Energy, MJ/kg 33
26
Embodied Water, L/kg 64
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
24 to 71
Strength to Weight: Bending, points 22
22 to 45
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19 to 20
20 to 59

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.48 to 0.56
Chromium (Cr), % 2.8 to 3.3
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
96.2 to 97.7
Manganese (Mn), % 0.3 to 0.6
0.7 to 1.1
Molybdenum (Mo), % 0.9 to 1.1
0.15 to 0.3
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0.1 to 0.2

Comparable Variants