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EN 1.4911 Stainless Steel vs. N08904 Stainless Steel

Both EN 1.4911 stainless steel and N08904 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
38
Fatigue Strength, MPa 530
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 640
370
Tensile Strength: Ultimate (UTS), MPa 1070
540
Tensile Strength: Yield (Proof), MPa 970
240

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 700
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.4
5.8
Embodied Energy, MJ/kg 49
79
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 14
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
19
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 5.4
3.1
Thermal Shock Resistance, points 37
12

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.020
Chromium (Cr), % 9.8 to 11.2
19 to 23
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 75.7 to 83.8
38.8 to 53
Manganese (Mn), % 0.3 to 1.3
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.0
4.0 to 5.0
Nickel (Ni), % 0.2 to 1.2
23 to 28
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0