Investigation of the Operational Durability of High Pressure Metal Hoses Made of Austenitic Steels

Vitaliy Ivanov; Elena Lavrova; Dmitriy P. Il’yaschenko; Fedor Morgay; Natalia Solidor

doi:10.4028/p-3i1gz0

Paper Titles

Investigation of the Operational Durability of High Pressure Metal Hoses Made of Austenitic Steels
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Study on the Effects of Hydrostatic Pressure on the Structural State of Pure-Iron during Hardening Treatment with a Multiradius Roller
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The Residual Stress Modeling in Surface Plastic Deformation Machining Processes with the Metal Hardening Effect Consideration
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Resource Saving in Technologies of Extraction and Processing of Ores for Metallurgy
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Features of Metallurgical Production in Small Foundries with Induction Furnaces
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Study of Abrasive Grains for Susceptibility to Electrostatic Field Effect
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Comparison the Preparation Methods of Powder Feedstock for Laser Powder Bed Fusion
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HomeSolid State PhenomenaSolid State Phenomena Vol. 328Investigation of the Operational Durability of...

Investigation of the Operational Durability of High Pressure Metal Hoses Made of Austenitic Steels

Abstract:

The reasons for the decrease in the operational resistance of high-pressure metal hoses made of austenitic steels are considered. The main cause of damage to metal high-pressure hoses was revealed, namely, the low performance of the metal protective braiding under the influence of an unfavorable environment. It has been established in the work that in the initial state the wire made of AISI 201 steel has a high strength (σ_0.2= 1370 MPa and σ_T= 1650 MPa) and has relatively low plastic characteristics (δ = 15 % и ψ = 40 %), since up to 40–60% deformation martensite is present in its structure. The resistance of steels of the austenitic class AISI 201 and AISI 316 to intergranular corrosion has been investigated. The effect of heat treatment on the mechanical and plastic properties of wire samples of ø made of AISI 201 steel has been investigated. Optimal heat treatment modes have been determined that increase the durability of the braid in an unfavorable environment and, consequently, the operational durability of metal hoses in general.

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Periodical:

Solid State Phenomena (Volume 328)

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1-8

DOI:

https://doi.org/10.4028/p-3i1gz0

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Online since:

February 2022

Authors:

Vitaliy Ivanov, Elena Lavrova*, Dmitriy P. Il’yaschenko, Fedor Morgay, Natalia Solidor

Keywords:

Austenitic Steel, Bending, Corrosion Resistance, Deformation Martensite, Heat Treatment, High Pressure Metal Hose, Intergranular Corrosion, Tensile Test, Wire Braiding

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