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EN 1.0303 Steel vs. EN 1.4905 Stainless Steel

Both EN 1.0303 steel and EN 1.4905 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 25
19
Fatigue Strength, MPa 150 to 230
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 220 to 260
460
Tensile Strength: Ultimate (UTS), MPa 290 to 410
740
Tensile Strength: Yield (Proof), MPa 200 to 320
510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
660
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
26
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
40
Embodied Water, L/kg 46
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
26
Strength to Weight: Bending, points 12 to 16
23
Thermal Diffusivity, mm2/s 14
7.0
Thermal Shock Resistance, points 9.2 to 13
25

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0.020 to 0.060
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Iron (Fe), % 99.335 to 99.71
86.2 to 88.8
Manganese (Mn), % 0.25 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.1
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25