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EN 1.7703 Steel vs. EN 1.0580 Steel

Both EN 1.7703 steel and EN 1.0580 steel are iron alloys. They have a very high 96% 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 1.7703 steel and the bottom bar is EN 1.0580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
5.6 to 25
Fatigue Strength, MPa 320 to 340
210 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 420 to 430
340 to 360
Tensile Strength: Ultimate (UTS), MPa 670 to 690
540 to 620
Tensile Strength: Yield (Proof), MPa 460 to 500
290 to 450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 460
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 61
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
31 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
230 to 540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
19 to 22
Strength to Weight: Bending, points 22
19 to 21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 19 to 20
17 to 20

Alloy Composition

Carbon (C), % 0.11 to 0.15
0 to 0.22
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 94.6 to 96.4
97.5 to 100
Manganese (Mn), % 0.3 to 0.6
0 to 1.6
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.55
Sulfur (S), % 0 to 0.0050
0 to 0.045
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0