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EN 1.1170 Steel vs. EN 1.0308 Steel

Both EN 1.1170 steel and EN 1.0308 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
7.8 to 28
Fatigue Strength, MPa 220 to 330
140 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 390 to 450
230 to 260
Tensile Strength: Ultimate (UTS), MPa 640 to 730
360 to 440
Tensile Strength: Yield (Proof), MPa 330 to 500
190 to 340

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
7.9
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
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
93 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 26
13 to 16
Strength to Weight: Bending, points 21 to 23
14 to 16
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 23
11 to 14

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.17
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 96.7 to 98.5
98.2 to 100
Manganese (Mn), % 1.3 to 1.7
0 to 1.2
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.045