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EN 1.0303 Steel vs. S44635 Stainless Steel

Both EN 1.0303 steel and S44635 stainless steel are iron alloys. They have 65% 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 25
23
Fatigue Strength, MPa 150 to 230
390
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 220 to 260
450
Tensile Strength: Ultimate (UTS), MPa 290 to 410
710
Tensile Strength: Yield (Proof), MPa 200 to 320
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
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 53
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 18
62
Embodied Water, L/kg 46
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
150
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
810
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
25
Strength to Weight: Bending, points 12 to 16
23
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 9.2 to 13
23

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Iron (Fe), % 99.335 to 99.71
61.5 to 68.5
Manganese (Mn), % 0.25 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8