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EN 1.6958 Steel vs. EN 1.0580 Steel

Both EN 1.6958 steel and EN 1.0580 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is EN 1.0580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
5.6 to 25
Fatigue Strength, MPa 700
210 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 700
340 to 360
Tensile Strength: Ultimate (UTS), MPa 1140
540 to 620
Tensile Strength: Yield (Proof), MPa 1070
290 to 450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
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 47
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 60
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
31 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
230 to 540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
19 to 22
Strength to Weight: Bending, points 31
19 to 21
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 39
17 to 20

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0 to 0.22
Chromium (Cr), % 1.2 to 1.7
0
Iron (Fe), % 92.6 to 94.5
97.5 to 100
Manganese (Mn), % 0.2 to 0.5
0 to 1.6
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 3.3 to 3.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0.15 to 0.3
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.045
Vanadium (V), % 0 to 0.12
0