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EN 1.0303 Steel vs. S39274 Stainless Steel

Both EN 1.0303 steel and S39274 stainless steel are iron alloys. They have 62% 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 EN 1.0303 steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 25
17
Fatigue Strength, MPa 150 to 230
380
Poisson's Ratio 0.29
0.27
Reduction in Area, % 75 to 86
34
Shear Modulus, GPa 73
81
Shear Strength, MPa 220 to 260
560
Tensile Strength: Ultimate (UTS), MPa 290 to 410
900
Tensile Strength: Yield (Proof), MPa 200 to 320
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
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
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
4.3
Embodied Energy, MJ/kg 18
60
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
140
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
32
Strength to Weight: Bending, points 12 to 16
26
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 9.2 to 13
25

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 99.335 to 99.71
57 to 65.6
Manganese (Mn), % 0.25 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5