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EN 1.3537 Steel vs. EN 1.7715 Steel

Both EN 1.3537 steel and EN 1.7715 steel are iron alloys. They have a very high 99% 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 1.3537 steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
160
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 620 to 730
540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 21
30
Embodied Water, L/kg 54
52

Common Calculations

PREN (Pitting Resistance) 2.6
2.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 26
19
Strength to Weight: Bending, points 21 to 23
19
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 22
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.040
Carbon (C), % 0.93 to 1.1
0.1 to 0.15
Chromium (Cr), % 1.7 to 2.0
0.3 to 0.6
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.4 to 97.8
96.5 to 98.3
Manganese (Mn), % 0.25 to 0.45
0.4 to 0.7
Molybdenum (Mo), % 0.15 to 0.3
0.5 to 0.7
Nickel (Ni), % 0
0 to 0.3
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.45
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28