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EN 1.5415 Steel vs. EN 1.1170 Steel

Both EN 1.5415 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 1.5415 steel and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
16 to 17
Fatigue Strength, MPa 200
220 to 330
Impact Strength: V-Notched Charpy, J 36
28 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320
390 to 450
Tensile Strength: Ultimate (UTS), MPa 510
640 to 730
Tensile Strength: Yield (Proof), MPa 280
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 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 2.3
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 48
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
23 to 26
Strength to Weight: Bending, points 18
21 to 23
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 15
20 to 23

Alloy Composition

Carbon (C), % 0.12 to 0.2
0.25 to 0.32
Chromium (Cr), % 0 to 0.3
0 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.3 to 99.23
96.7 to 98.5
Manganese (Mn), % 0.4 to 0.9
1.3 to 1.7
Molybdenum (Mo), % 0.25 to 0.35
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035