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EN 1.4749 Stainless Steel vs. N08925 Stainless Steel

Both EN 1.4749 stainless steel and N08925 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% 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 1.4749 stainless steel and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
45
Fatigue Strength, MPa 190
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 370
470
Tensile Strength: Ultimate (UTS), MPa 600
680
Tensile Strength: Yield (Proof), MPa 320
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.2
Embodied Energy, MJ/kg 36
84
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 31
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
250
Resilience: Unit (Modulus of Resilience), kJ/m3 250
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.6
3.5
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.020
Chromium (Cr), % 26 to 29
19 to 21
Copper (Cu), % 0
0.8 to 1.5
Iron (Fe), % 68.5 to 73.7
42.7 to 50.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0.15 to 0.25
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030