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EN 1.3537 Steel vs. EN 1.7725 Steel

Both EN 1.3537 steel and EN 1.7725 steel are iron alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
250 to 300
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
830 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
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 43
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 21
24
Embodied Water, L/kg 54
54

Common Calculations

PREN (Pitting Resistance) 2.6
2.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 26
29 to 35
Strength to Weight: Bending, points 21 to 23
25 to 28
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 22
24 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.27 to 0.34
Chromium (Cr), % 1.7 to 2.0
1.3 to 1.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 97.8
95.7 to 97.5
Manganese (Mn), % 0.25 to 0.45
0.6 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0.3 to 0.5
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 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15

Comparable Variants