OST 26-2043-91

ОСТ 26-2043-91

Bolts, studs, nuts and washers for flanged joints. Technical requirements

Болты, шпильки, гайки и шайбы для фланцевых соединений. Технические требования

Status: Not effective - Superseded

The standard applies to bolts, studs, nuts and washers for flanged joints of vessels, devices, pipelines, fittings connecting parts and devices used in chemical, petrochemical and other related industries operating at a nominal pressure of Ru from 0 to 160 kgf

Стандарт распространяется на болты, шпильки, гайки и шайбы для фланцевых соединений сосудов, аппаратов, трубопроводов, соединительных частей арматуры и приборов, применяемых в химической, нефтехимической и других смежных отраслях промышленности, работающих при условном давлении Ру от 0 до 160 кгс/см2 (16 МПа) и температуре среды от минус 70 до плюс 600 град Цельсия

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Format: Electronic (pdf/doc)

Approved: Concern Himneftemash, 6/28/1991

SKU: RUSS17069

Price: $205.61


The Product is Contained in the Following Classifiers:

Construction (Max) » Standards » Industry Standards and Specifications » Industry standards »

ISO classifier » 21 MECHANICAL SYSTEMS AND GENERAL PURPOSE DEVICES » 21.060 Fasteners » 21.060.10 Bolts, screws, studs »

ISO classifier » 21 MECHANICAL SYSTEMS AND GENERAL PURPOSE DEVICES » 21.060 Fasteners » 21.060.20 Nuts »

National Standards for KGS (State Standards Classification) » Latest edition » G Machines, equipment and tools » G1 General parts and units of machines » G18 Fittings and pipeline connections »

National Standards for KGS (State Standards Classification) » Latest edition » G Machines, equipment and tools » G3 Fasteners for general engineering applications » G30 Classification, nomenclature and general rules »

National Standards for OKSTU » INDUSTRIAL PIPELINE FITTINGS AND GATE VALVES » General rules and regulations »


As a Replacement Of:

OST 26-01-578-72: Fixing devices. Hexagonal nuts for flanged connections for PN 40 kgf / cm 2 (limitation of GOST 9064-69)

OST 26-01-581-72: Fixing devices. Bolts, screws, pins and nuts. Technical requirements

The Document References:

GOST 1050-88: Carbon structural quality steel gauged bars with special surface finish. General specifications

GOST 1051-73: Calibrated quality steel

GOST 1060-83: Steel seamless cold-formed tubes for shipbuilding

GOST 12414-66: Ends of bolts, screws and studs. Sizes

GOST 14034-74: Centre holes. Dimensions

GOST 1497-84: Metals. Methods of tension test

GOST 1759.0-87: Bolts, screws, studs and nuts. Specifications.

GOST 1759.1-82: Bolts, screws, studs and nuts. Tolerance, monitoring methods of dimensions and deviations of shape and surface orientation

GOST 1759.2-82: Bolts, screws, and studs. Surface imperfections and monitoring methods

GOST 1759.4-87: Bolts, screws and studs. Mechanical properties and test methods

GOST 1759.5-87: Nuts. Mechanical properties and test methods

GOST 1763-68: Steel. Methods for determination of decarbonised layer depth

GOST 17769-83: Fastening details. Rules of acceptance

GOST 18123-82: Washers

GOST 18126-72: Bolts, studs and nuts with thread diameter over 48 mm. Specifications

GOST 18160-72: Fasteners. Packing. Marking. Transportation and storage

GOST 19281-89: Rolled steel with increased strength. General specifications

GOST 20072-74: Heat-resistant steel

GOST 20700-75: Bolts, studs, nuts and washers for flanged and anchor connections, corks and yokes with medium temperature from 0 to 650 °C. Specifications

GOST 22032-76: Studs with threaded end of 1d. Product grade B. Construction and dimensions

GOST 22034-76: Studs with threaded end of 1,25d. Product grade B. Construction and dimensions

GOST 22038-76: Studs with threaded end of 2d. Product grade B. Construction and dimensions

GOST 24643-81: Basic norms of interchangeability. Tolerances of form and position of surfaces. Numerical values

GOST 27148-86: Fasteners. Screw thread run-out. Washout threads, total thread run-outs and intercuts. Dimensions

GOST 2904-91: Basic norms of interchangeability. Marks on the parts with the left thread

GOST 380-88: Common quality carbon steel. Grades

GOST 4543-71: Structural alloyed steel

GOST 535-88: Common quality carbon bar and shaped sections. General specifications

GOST 5632-72: High-alloy steels and corrosion-proof, heat-resisting and heat treated alloys. Grades

GOST 5915-70: Hexagon nuts, product grade B. Construction and dimensions

GOST 5949-75: Gauged corrosion-resistant, heat-resistant and high-temperature steel shape

GOST 5959-80: Uncollapsable wooden sheet material boxes for weights to 200 kg mass. General specifications

GOST 7564-73: Steel. General rules of samples, blanks and test pieces for mechanical and technological tests

GOST 7798-70: Hexagon bolts, product grade B. construction and dimensions

GOST 9.301-86: Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. General requirements

GOST 9.303-84: Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. General requirements for selection

GOST 9.306-85: Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. Symbols

GOST 9012-59: Metals. Method of Brinell hardness measurement

GOST 9013-59: Metals. Method of measuring Rockwell hardness

GOST 9454-78: Metals. Method for testing the impact strength at the low, room and high temperature

OST 26-2037-96: Bolts with hexagonal head for flange joints. Design and dimensions.

OST 26-2042-96: Washers for flange connections. Design and dimensions.

The Document is Referenced By:

ATK 24.200.02-90: Album typical designs. Flanged steel plugs. Design, dimensions and specifications

ATK 24.218.06-90: Couplings for Welded Steel Vessels and Apparatus. Types, Basic Parameters, Dimensions, and General Technical Requirements

ATK 26-18-13-96: Flanges for reinforcing connecting parts and pipelines for corrosive environments on Ru from 0.6 to 16.0 MPa. Design, dimensions and general technical requirements

ATK 26-18-14-98: Flanges of vessels and apparatus steel flat welded to a conditional pressure up to Ru 0.1 MPa. Design, dimensions and general technical requirements

GOST R 55682.2-2017: Water-tube boilers and auxiliary installations. Part 2. Materials for pressure parts of boilers and accessories

OST 24.200.02-91: Assembling units of steel pipelines on nominal pressure<=10 MPa (100 kgf/cm2) of complete technological lines. General specifications.

OST 26.260.18-2004: Process modules for oil and gas industry. General technical specifications

OST 26-01-1298-81: Flange of vessels and apparatuses made of titanium. Types, Design and dimensions. Strength and integrity calculation procedure.

OST 26-02-2053-79: Adapter and hatches made of double-layer steel. Technical requirements .

OST 26-18-5-88: Technological units of gas and oil industry. General technical requirements.

OST 26-2011-83: Welded vessels and apparatus hatches. Technical requirements.

OST 26-2015-83: Hinge and tilt-up Devices for manhole covers of welded steel of vessels and apparatuses. Technical requirements .

OST 26-2037-96: Bolts with hexagonal head for flange joints. Design and dimensions.

OST 26-2038-96: Hex nuts for flange connections. Construction and dimensions.

OST 26-2039-96: Studs with screw-end for flanged connections (single precision). Design and dimensions.

OST 26-2040-96: Studs for flanged joints. Design and dimensions

OST 26-2041-96: Nuts for flange connections. Construction and dimensions.

OST 26-2042-96: Washers for flange connections. Design and dimensions.

OST 26-291-94: Steel welded vessels and devices. General technical requirements.

OST 95 10439-2002: Equipment for radioactive environments. General technical requirements. Acceptance. Maintenance and repair.

PB 03-108-96: Process pipeline design and safe operation rules

PB 03-384-00: Rules for design, manufacture and acceptance of steel welded vessels and apparatus

PB 03-576-03: Regulations of design and safe operation of pressure vessels

PB 03-75-94: Rules for arrangement and safe operation of steam and hot water piping

PB 10-115-96: Regulations of design and safe operation of pressure vessels

PB 10-573-03: Series 17. Supervision documents in power industry. Issue 46. Construction and safe operation of steam and hot water pipelines rules.

PB 10-574-03: Safety Operation and Design Codes for Steam and Hot Water Boilers

RD 03-421-01: Guidelines for the diagnosis of the technical condition and the determination of the residual service life of vessels and apparatus

RD 10-69-94: Typical technological process of installation electrical equipment. Main provisions.

RD 26.260.010-2002: The leading document on standardization. The list of standard documentation on standardization on the cells and devices working under pressure.

RD 26.260.010-97: List of Regulatory Documents on Standardization for Pressure Vessels and Apparatus

SA 03-005-07: Industrial pipelines of oil-refining, petrochemical and chemical industry. Requirements to configuration and operation

ST TsKBA 012-2005: Pipe fittings. Studs, bolts, nuts and washers for pipe fittings. Technical requirements

TU 26-02-1102-89: Shell and tube heat exchangers of increased thermal efficiency with an expander on the housing

TU 26-02-1162-95: Shell and tube heat exchangers for elevated temperatures and pressures with a floating head and a compensator on it. Technical conditions

TU 3113-028-00220302-01: Heaters of steam and water-to-water for heating networks of heating and hot water systems. Technical conditions

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