ESTIMATION OF LONG-TIME STRENGTH OF WELDED STRUCTURAL ELEMENTS MADE OF HIGH-TEMPERATURE CHROMIUN STEEL

A.A. Khalimov, Candidate of Technical Science

(Ufa State Petroleum Technological University),

D.S. Khudyakov (Institute of Energy Resources Transportation GUP)

 

Annotation: The article contains results of analysis which estimates by long-time strength criteria the safe service life of structural oil and gas equipment elements made of high-temperature chromium steel.

 

Key words: long-time strength, semi-automatic welding in the mix of protective gases, remained safe service life, oil and gas equipment.

  

List of references:

1. GOST 14249-80. Vessels and apparatus. Norms and methods of strength design. – M.: Publishing house of standards, 1981.  15 p.

2. RTM 26-0267-84. Method of strength design of furnace elements working under pressure. – M.: Soyuzneftehimmash, 1984.  16 p.

3. Stasenko I.V. Creep design of pipelines.  M.: Mashinostroyenie. 1986.  256 p.

4. Antikain P.A. Metals and strength design of boiler elements.  M.: Energiya, 1969.  445 p.

5. Zainullin R.S. Ensuring serviceability of equipment under mechanochemical damageability conditions.  Ufa: MNTC “BEST”, 1997.  426 p.

6. Halimov A.A. Problems of welding 15X5M steel pipeline elements during repair works // Problems of oil and gas complex of Russia. Materials of All-Russ. Scient. And Techn. Conf.  Ufa: UGNTU,1995.  P. 23-33.

7. Alloyed steels for petrochemical equipment / V.G. Dyakov, Y.S. Medvedev, Z.A. Abramova et al.  M.: Mashinostroyenie, 1971.  183 p.

 

The authors:

• Khalimov Àirat À., Candidate of Technical Science
Ufa State Petroleum Technological University

Reader of the Chair of Oil Equipment Manufacturing Engineering

450062, Ufa, ul. Cosmonavtov, 1

tel: (347) 235-29-87, 243-16-38

 

Khudyakov Dmitriy S.

Institute of Energy Resources Transportation GUP

Leading Engineer

450055, Ufa, pr. Oktyabrya, 144/3

tel: (347) 231-38-16