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SAE-AISI 1137 Steel vs. EN 1.7102 Steel

Both SAE-AISI 1137 steel and EN 1.7102 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 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 SAE-AISI 1137 steel and the bottom bar is EN 1.7102 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 700 to 760
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 48
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 27
24 to 72
Strength to Weight: Bending, points 22 to 24
22 to 46
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 21 to 23
20 to 60

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.51 to 0.59
Chromium (Cr), % 0
0.5 to 0.8
Iron (Fe), % 97.8 to 98.3
96.2 to 97.3
Manganese (Mn), % 1.4 to 1.7
0.5 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
1.2 to 1.6
Sulfur (S), % 0.080 to 0.13
0 to 0.025