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S39277 Stainless Steel vs. EN 1.6311 Steel

Both S39277 stainless steel and EN 1.6311 steel are iron alloys. They have 63% 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 S39277 stainless steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
19
Fatigue Strength, MPa 480
340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
400
Tensile Strength: Ultimate (UTS), MPa 930
650
Tensile Strength: Yield (Proof), MPa 660
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 59
22
Embodied Water, L/kg 180
51

Common Calculations

PREN (Pitting Resistance) 43
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
23
Strength to Weight: Bending, points 27
21
Thermal Diffusivity, mm2/s 4.2
10
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 0 to 0.025
0.15 to 0.23
Chromium (Cr), % 24 to 26
0 to 0.5
Copper (Cu), % 1.2 to 2.0
0 to 0.2
Iron (Fe), % 56.8 to 64.3
95.9 to 98
Manganese (Mn), % 0 to 0.8
1.0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
0.45 to 0.6
Nickel (Ni), % 6.5 to 8.0
0.4 to 0.8
Nitrogen (N), % 0.23 to 0.33
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0020
0 to 0.035
Tungsten (W), % 0.8 to 1.2
0
Vanadium (V), % 0
0 to 0.020