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EN 1.3537 Steel vs. EN 1.7706 Steel

Both EN 1.3537 steel and EN 1.7706 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
210
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
690

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
440
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 21
32
Embodied Water, L/kg 54
57

Common Calculations

PREN (Pitting Resistance) 2.6
4.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 26
24
Strength to Weight: Bending, points 21 to 23
22
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 22
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.15 to 0.2
Chromium (Cr), % 1.7 to 2.0
1.2 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.4 to 97.8
94.7 to 97.1
Manganese (Mn), % 0.25 to 0.45
0.5 to 0.9
Molybdenum (Mo), % 0.15 to 0.3
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.45
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3