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EN 1.4424 Stainless Steel vs. N08904 Stainless Steel

Both EN 1.4424 stainless steel and N08904 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 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 1.4424 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
38
Fatigue Strength, MPa 350 to 370
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 520
370
Tensile Strength: Ultimate (UTS), MPa 800
540
Tensile Strength: Yield (Proof), MPa 480 to 500
240

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 12
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 15
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.4
5.8
Embodied Energy, MJ/kg 46
79
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 29
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 3.5
3.1
Thermal Shock Resistance, points 23
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 18 to 19
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 68.6 to 72.4
38.8 to 53
Manganese (Mn), % 1.2 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
4.0 to 5.0
Nickel (Ni), % 4.5 to 5.2
23 to 28
Nitrogen (N), % 0.050 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035