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EN 1.4005 Stainless Steel vs. N08925 Stainless Steel

Both EN 1.4005 stainless steel and N08925 stainless steel are iron alloys. They have 60% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
45
Fatigue Strength, MPa 240 to 290
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 390 to 450
470
Tensile Strength: Ultimate (UTS), MPa 630 to 750
680
Tensile Strength: Yield (Proof), MPa 370 to 500
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.2
Embodied Energy, MJ/kg 28
84
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
250
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
23
Strength to Weight: Bending, points 21 to 24
21
Thermal Diffusivity, mm2/s 8.1
3.5
Thermal Shock Resistance, points 23 to 27
15

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.020
Chromium (Cr), % 12 to 14
19 to 21
Copper (Cu), % 0
0.8 to 1.5
Iron (Fe), % 82.4 to 87.8
42.7 to 50.1
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
6.0 to 7.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
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), % 0.15 to 0.35
0 to 0.030