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EN 1.5521 Steel vs. SAE-AISI 1095 Steel

Both EN 1.5521 steel and SAE-AISI 1095 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 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
10 to 11
Fatigue Strength, MPa 210 to 310
310 to 370
Poisson's Ratio 0.29
0.29
Reduction in Area, % 59 to 72
28 to 45
Shear Modulus, GPa 73
72
Shear Strength, MPa 310 to 360
400 to 540
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
680 to 900
Tensile Strength: Yield (Proof), MPa 300 to 490
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
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
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
660 to 930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 49
24 to 32
Strength to Weight: Bending, points 16 to 35
22 to 26
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 13 to 41
22 to 29

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.9 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
98.4 to 98.8
Manganese (Mn), % 0.9 to 1.2
0.3 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants