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EN 1.0303 Steel vs. EN 1.7386 Steel

Both EN 1.0303 steel and EN 1.7386 steel are iron alloys. They have 89% 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 1.0303 steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 25
18 to 21
Fatigue Strength, MPa 150 to 230
170 to 290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 220 to 260
340 to 410
Tensile Strength: Ultimate (UTS), MPa 290 to 410
550 to 670
Tensile Strength: Yield (Proof), MPa 200 to 320
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
26
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
150 to 490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
20 to 24
Strength to Weight: Bending, points 12 to 16
19 to 22
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 9.2 to 13
15 to 18

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.040
Carbon (C), % 0.020 to 0.060
0.080 to 0.15
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 99.335 to 99.71
86.8 to 90.5
Manganese (Mn), % 0.25 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.1
0.25 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010