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EN 1.4439 Stainless Steel vs. N08135 Stainless Steel

Both EN 1.4439 stainless steel and N08135 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 73% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4439 stainless steel and the bottom bar is N08135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
46
Fatigue Strength, MPa 270
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Shear Strength, MPa 470
400
Tensile Strength: Ultimate (UTS), MPa 680
570
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
39
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.5
6.8
Embodied Energy, MJ/kg 61
94
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 35
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
20.5 to 23.5
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 58.7 to 66.9
30.2 to 42.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
4.0 to 5.0
Nickel (Ni), % 12.5 to 14.5
33 to 38
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8