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EN 1.1170 Steel vs. EN 1.1147 Steel

Both EN 1.1170 steel and EN 1.1147 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1170 steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
12 to 17
Fatigue Strength, MPa 220 to 330
180 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 390 to 450
280
Tensile Strength: Ultimate (UTS), MPa 640 to 730
390 to 470
Tensile Strength: Yield (Proof), MPa 330 to 500
280 to 370

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 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 26
14 to 17
Strength to Weight: Bending, points 21 to 23
15 to 17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 23
12 to 15

Alloy Composition

Carbon (C), % 0.25 to 0.32
0.15 to 0.19
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.7 to 98.5
98.3 to 99.25
Manganese (Mn), % 1.3 to 1.7
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.025