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EN 1.5535 Steel vs. SAE-AISI 1030 Steel

Both EN 1.5535 steel and SAE-AISI 1030 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 22
14 to 22
Fatigue Strength, MPa 210 to 320
210 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 72
39 to 48
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 370
330 to 360
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
530 to 590
Tensile Strength: Yield (Proof), MPa 300 to 500
300 to 490

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 50
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

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
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
230 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 53
19 to 21
Strength to Weight: Bending, points 17 to 37
18 to 20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13 to 44
17 to 19

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.28 to 0.34
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
98.7 to 99.12
Manganese (Mn), % 0.9 to 1.2
0.6 to 0.9
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