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SAE-AISI 1137 Steel vs. EN 1.5501 Steel

Both SAE-AISI 1137 steel and EN 1.5501 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 1137 steel and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
120 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
12 to 17
Fatigue Strength, MPa 250 to 400
180 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 39
63 to 73
Shear Modulus, GPa 73
73
Shear Strength, MPa 430 to 460
270 to 310
Tensile Strength: Ultimate (UTS), MPa 700 to 760
390 to 510
Tensile Strength: Yield (Proof), MPa 370 to 650
260 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 1130
190 to 460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
14 to 18
Strength to Weight: Bending, points 22 to 24
15 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 21 to 23
11 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.32 to 0.39
0.13 to 0.16
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.8 to 98.3
98.4 to 99.269
Manganese (Mn), % 1.4 to 1.7
0.6 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0.080 to 0.13
0 to 0.025

Comparable Variants