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EN 1.4550 Stainless Steel vs. N08135 Stainless Steel

Both EN 1.4550 stainless steel and N08135 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 66% 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 1.4550 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, % 42
46
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 430
400
Tensile Strength: Ultimate (UTS), MPa 620
570
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 480
430
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
39
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.6
6.8
Embodied Energy, MJ/kg 51
94
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 18
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
20.5 to 23.5
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 64.9 to 74
30.2 to 42.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 9.0 to 12
33 to 38
Niobium (Nb), % 0 to 1.0
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