Bibliographic Citation
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Title | Application of steel 40Kh surface hardened by high-frequency currents in the production of gate valve parts |
Creator/Author | Veliev, T.K. ; Arifulin, R.K. ; Fataliev, N.S. ; Safarov, R.S. |
Publication Date | 1986 Sep 01 |
OSTI Identifier | OSTI ID: 5124415 |
Other Number(s) | CODEN: CPTEA |
Resource Type | Journal Article |
Resource Relation | Chem. Pet. Eng. (Engl. Transl.) ; Vol/Issue: 22:1-2 |
Subject | 020300 -- Petroleum-- Drilling & Production ;360103 -- Metals & Alloys-- Mechanical Properties; CHROMIUM-MOLYBDENUM STEELS-- MECHANICAL TESTS;OIL WELLS-- VALVES;STEEL-40KH-- MECHANICAL TESTS;STEEL-40KH-- SURFACE HARDENING;VALVES-- MECHANICAL TESTS; FIELD PRODUCTION EQUIPMENT;HARDNESS;HYDRAULICS;PRESSURE EFFECTS;SEALS;WELLHEADS |
Related Subject | ALLOYS;CHROMIUM ALLOYS;CHROMIUM STEELS;CONTROL EQUIPMENT;COPPER ADDITIONS;COPPER ALLOYS;EQUIPMENT;FLOW REGULATORS;FLUID MECHANICS;HARDENING;IRON ALLOYS;IRON BASE ALLOYS;MANGANESE ADDITIONS;MANGANESE ALLOYS;MATERIALS TESTING;MECHANICAL PROPERTIES;MECHANICS;NICKEL ADDITIONS;NICKEL ALLOYS;SILICON ADDITIONS;SILICON ALLOYS;STEELS;SURFACE TREATMENTS;TESTING;WELLS |
Description/Abstract | Bench tests were performed to determine the change in roughness, planeness, and hardness of the sealing surfaces of parts of gate valves made with steel 40Kh surface-hardened by high-frequency currents (HFC).^Most parts of the gate valves for oil wells are now made of steel 38Kh2MYuA containing molybdenum.^It was of interest to conduct tests to find another steel (40Kh) with less precious alloying elements and to increase the hardness of the sealing surfaces.^The tests showed that steel 40Kh with HFC surface hardening may be recommended for gate parts of straight-through gate valves with specific contact pressure of up to 70 MPa.^The torque for controlling the gate must be 0.8-1kN.^Tests were also conducted on an experimental batch of Christmas trees and tubing heads; those results are presented. |
Country of Publication | United States |
Language | English |
Format | Pages: 58-59 |
System Entry Date | 2001 May 13 |
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