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EN 1.7706 Steel vs. EN 1.0107 Steel

Both EN 1.7706 steel and EN 1.0107 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7706 steel and the bottom bar is EN 1.0107 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
29
Fatigue Strength, MPa 330
160
Impact Strength: V-Notched Charpy, J 30
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 690
380
Tensile Strength: Yield (Proof), MPa 500
210

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 440
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
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 32
19
Embodied Water, L/kg 57
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 670
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.13
Chromium (Cr), % 1.2 to 1.5
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 94.7 to 97.1
97.7 to 100
Manganese (Mn), % 0.5 to 0.9
0 to 0.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.080
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0.2 to 0.3
0 to 0.020