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EN 1.6311 Steel vs. N08904 Stainless Steel

Both EN 1.6311 steel and N08904 stainless steel are iron alloys. They have 49% 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 1.6311 steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
38
Fatigue Strength, MPa 340
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 650
540
Tensile Strength: Yield (Proof), MPa 490
240

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.6
5.8
Embodied Energy, MJ/kg 22
79
Embodied Water, L/kg 51
200

Common Calculations

PREN (Pitting Resistance) 2.1
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 650
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 10
3.1
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0.15 to 0.23
0 to 0.020
Chromium (Cr), % 0 to 0.5
19 to 23
Copper (Cu), % 0 to 0.2
1.0 to 2.0
Iron (Fe), % 95.9 to 98
38.8 to 53
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
4.0 to 5.0
Nickel (Ni), % 0.4 to 0.8
23 to 28
Nitrogen (N), % 0 to 0.012
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.035
Vanadium (V), % 0 to 0.020
0