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EN 1.3539 Steel vs. EN 1.6956 Steel

Both EN 1.3539 steel and EN 1.6956 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3539 steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
370
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 670
1230

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 450
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 22
31
Embodied Water, L/kg 57
60

Common Calculations

PREN (Pitting Resistance) 3.8
2.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
43
Strength to Weight: Bending, points 22
32
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 20
36

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.28 to 0.38
Chromium (Cr), % 1.8 to 2.1
1.0 to 1.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.2 to 96.5
92.4 to 95.3
Manganese (Mn), % 0.8 to 1.1
0.15 to 0.4
Molybdenum (Mo), % 0.5 to 0.6
0.3 to 0.6
Nickel (Ni), % 0
2.9 to 3.8
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.4 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.080 to 0.25