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EN 1.7386 Steel vs. EN 1.7706 Steel

Both EN 1.7386 steel and EN 1.7706 steel are iron alloys. They have a moderately high 92% 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 1.7386 steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
17
Fatigue Strength, MPa 170 to 290
330
Impact Strength: V-Notched Charpy, J 38
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 550 to 670
690
Tensile Strength: Yield (Proof), MPa 240 to 440
500

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 600
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
3.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.3
Embodied Energy, MJ/kg 28
32
Embodied Water, L/kg 88
57

Common Calculations

PREN (Pitting Resistance) 12
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
24
Strength to Weight: Bending, points 19 to 22
22
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 15 to 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0.15 to 0.2
Chromium (Cr), % 8.0 to 10
1.2 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 86.8 to 90.5
94.7 to 97.1
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.25 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3