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EN 1.5450 Steel vs. EN 1.1170 Steel

Both EN 1.5450 steel and EN 1.1170 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 1.5450 steel and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
16 to 17
Fatigue Strength, MPa 310
220 to 330
Impact Strength: V-Notched Charpy, J 38
28 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
390 to 450
Tensile Strength: Ultimate (UTS), MPa 620
640 to 730
Tensile Strength: Yield (Proof), MPa 460
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
23 to 26
Strength to Weight: Bending, points 20
21 to 23
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 18
20 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.060 to 0.1
0.25 to 0.32
Chromium (Cr), % 0 to 0.2
0 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.6 to 98.8
96.7 to 98.5
Manganese (Mn), % 0.6 to 0.8
1.3 to 1.7
Molybdenum (Mo), % 0.4 to 0.5
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.1 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0 to 0.060
0