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EN 1.0536 Steel vs. SAE-AISI 81B45 Steel

Both EN 1.0536 steel and SAE-AISI 81B45 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 EN 1.0536 steel and the bottom bar is SAE-AISI 81B45 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
12 to 24
Fatigue Strength, MPa 340
250 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 440
340 to 400
Tensile Strength: Ultimate (UTS), MPa 710
540 to 670
Tensile Strength: Yield (Proof), MPa 510
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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
40
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 49
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
77 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 690
320 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
19 to 24
Strength to Weight: Bending, points 23
19 to 22
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 22
17 to 21

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.16 to 0.22
0.43 to 0.48
Chromium (Cr), % 0
0.35 to 0.55
Iron (Fe), % 97.2 to 98.4
97 to 98
Manganese (Mn), % 1.3 to 1.7
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.2 to 0.4
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040
Vanadium (V), % 0.080 to 0.15
0