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S39274 Stainless Steel vs. EN 1.0303 Steel

Both S39274 stainless steel and EN 1.0303 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 S39274 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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