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EN 1.7767 Steel vs. EN 1.1158 Steel

Both EN 1.7767 steel and EN 1.1158 steel are iron alloys. 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 1.7767 steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
23 to 24
Fatigue Strength, MPa 320 to 340
170 to 220
Impact Strength: V-Notched Charpy, J 46
28 to 40
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 420 to 430
300 to 320
Tensile Strength: Ultimate (UTS), MPa 670 to 690
470 to 500
Tensile Strength: Yield (Proof), MPa 460 to 500
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 480
400
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
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.2

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
150 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17 to 18
Strength to Weight: Bending, points 22
17 to 18
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 19 to 20
15 to 16

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.22 to 0.29
Chromium (Cr), % 2.8 to 3.3
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
97.6 to 99.38
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.1
Nickel (Ni), % 0 to 0.25
0 to 0.4
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0

Comparable Variants