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EN 1.0303 Steel vs. S44537 Stainless Steel

Both EN 1.0303 steel and S44537 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 25
21
Fatigue Strength, MPa 150 to 230
230
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 220 to 260
320
Tensile Strength: Ultimate (UTS), MPa 290 to 410
510
Tensile Strength: Yield (Proof), MPa 200 to 320
360

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
50
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
95
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
18
Strength to Weight: Bending, points 12 to 16
18
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 9.2 to 13
17

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.1
Carbon (C), % 0.020 to 0.060
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 99.335 to 99.71
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.25 to 0.4
0 to 0.8
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.1
0.1 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0