MakeItFrom.com
Menu (ESC)

EN 1.5663 Steel vs. EN 1.7729 Steel

Both EN 1.5663 steel and EN 1.7729 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5663 steel and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17
Fatigue Strength, MPa 450
500
Impact Strength: V-Notched Charpy, J 120
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 470
560
Tensile Strength: Ultimate (UTS), MPa 750
910
Tensile Strength: Yield (Proof), MPa 660
750

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
430
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.3
Embodied Energy, MJ/kg 31
49
Embodied Water, L/kg 63
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
1500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
27
Thermal Shock Resistance, points 22
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 88.6 to 91.2
94.8 to 97
Manganese (Mn), % 0.3 to 0.8
0.35 to 0.75
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.1
Nickel (Ni), % 8.5 to 10
0 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0 to 0.010
0.6 to 0.8