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EN 1.4981 Stainless Steel vs. N08926 Stainless Steel

Both EN 1.4981 stainless steel and N08926 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4981 stainless steel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
40
Fatigue Strength, MPa 210
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 420
500
Tensile Strength: Ultimate (UTS), MPa 610
740
Tensile Strength: Yield (Proof), MPa 240
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
420
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.8
6.2
Embodied Energy, MJ/kg 67
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 22
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.020
Chromium (Cr), % 15.5 to 17.5
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 59.6 to 66.7
41.7 to 50.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.6 to 2.0
6.0 to 7.0
Nickel (Ni), % 15.5 to 17.5
24 to 26
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010