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EN 1.7729 Steel vs. EN 1.5536 Steel

Both EN 1.7729 steel and EN 1.5536 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 26 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 1.7729 steel and the bottom bar is EN 1.5536 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56
65 to 71
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 910
460 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
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
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 49
19
Embodied Water, L/kg 59
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
16 to 57
Strength to Weight: Bending, points 27
17 to 39
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 27
14 to 47

Alloy Composition

Aluminum (Al), % 0.015 to 0.080
0
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.010
0.00080 to 0.0050
Carbon (C), % 0.17 to 0.23
0.25 to 0.3
Chromium (Cr), % 0.9 to 1.2
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 94.8 to 97
97.6 to 98.7
Manganese (Mn), % 0.35 to 0.75
0.9 to 1.2
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0.070 to 0.15
0
Vanadium (V), % 0.6 to 0.8
0