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S44800 Stainless Steel vs. EN 1.0303 Steel

Both S44800 stainless steel and EN 1.0303 steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 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 S44800 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
12 to 25
Fatigue Strength, MPa 300
150 to 230
Poisson's Ratio 0.27
0.29
Reduction in Area, % 45
75 to 86
Shear Modulus, GPa 82
73
Shear Strength, MPa 370
220 to 260
Tensile Strength: Ultimate (UTS), MPa 590
290 to 410
Tensile Strength: Yield (Proof), MPa 450
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
53
Thermal Expansion, µm/m-K 11
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 480
110 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
10 to 15
Strength to Weight: Bending, points 20
12 to 16
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 19
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.010
0.020 to 0.060
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
99.335 to 99.71
Manganese (Mn), % 0 to 0.3
0.25 to 0.4
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.025