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EN 1.7383 Steel vs. S39274 Stainless Steel

Both EN 1.7383 steel and S39274 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 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 1.7383 steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 23
17
Fatigue Strength, MPa 210 to 270
380
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 350 to 380
560
Tensile Strength: Ultimate (UTS), MPa 560 to 610
900
Tensile Strength: Yield (Proof), MPa 300 to 400
620

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
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 39
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.8
4.3
Embodied Energy, MJ/kg 23
60
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.6
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
32
Strength to Weight: Bending, points 19 to 20
26
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 16 to 18
25

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
24 to 26
Copper (Cu), % 0 to 0.3
0.2 to 0.8
Iron (Fe), % 94.3 to 96.6
57 to 65.6
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5