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EN 1.3505 Steel vs. EN 1.7034 Steel

Both EN 1.3505 steel and EN 1.7034 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.3505 steel and the bottom bar is EN 1.7034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
150 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 600 to 690
510 to 1780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 52
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
18 to 63
Strength to Weight: Bending, points 20 to 22
18 to 42
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18 to 20
15 to 52

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.34 to 0.41
Chromium (Cr), % 1.4 to 1.6
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.1 to 98.3
97 to 98.2
Manganese (Mn), % 0.25 to 0.45
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035

Comparable Variants