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EN 1.5521 Steel vs. SAE-AISI 1132 Steel

Both EN 1.5521 steel and SAE-AISI 1132 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5521 steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
14 to 18
Fatigue Strength, MPa 210 to 310
240 to 380
Poisson's Ratio 0.29
0.29
Reduction in Area, % 59 to 72
39 to 46
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 360
400 to 440
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
640 to 720
Tensile Strength: Yield (Proof), MPa 300 to 490
350 to 590

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
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
330 to 940
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 49
23 to 25
Strength to Weight: Bending, points 16 to 35
21 to 23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 41
19 to 22

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.24 to 0.34
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
97.8 to 98.3
Manganese (Mn), % 0.9 to 1.2
1.4 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0.080 to 0.13

Comparable Variants