GOST 5520-2017 PDF

Full title and description

ГОСТ 5520-2017 — Прокат толстолистовой из нелегированной и легированной стали для котлов и сосудов, работающих под давлением. Технические условия. (English title: Rolled non-alloy and alloy steel plates for boilers and pressure vessels. Specifications).

Abstract

This interstate (GOST) standard specifies technical requirements for hot-rolled thick plates made of non-alloy and alloy steels intended for boilers, pressure vessels, pipelines and related equipment that operate under pressure. It covers permitted steel grades, chemical and mechanical property limits, production and heat/thermomechanical treatment conditions, dimensional tolerances, testing and acceptance criteria, marking and certification — with the aim of ensuring suitability for welding and safe use in pressure applications.

General information

• Status: Active — adopted as an interstate standard and introduced as a national standard of the Russian Federation (replaces GOST 5520-79).
• Publication date: Registered 30 November 2017; published 28 December 2017; date of mandatory introduction (effective date) 1 October 2018.
• Publisher: Стандартинформ (Standardinform), Moscow (official published edition).
• ICS / categories: MKS/ICS 77.140.30 — Steels for working under pressure (metallurgy).
• Edition / version: Edition 2017 (GOST 5520-2017), replaces GOST 5520-79.
• Number of pages: Published edition: main text ~23 pages with front matter (commonly reported as 28 pages in electronic distributions).

Scope

GOST 5520-2017 applies to hot-rolled thick plates of non-alloy and low‑alloy (alloyed) steels produced as sheets with thicknesses typically from 4 mm to 160 mm inclusive, in as-rolled, heat-treated or thermomechanically treated conditions. The standard is intended for material used in welded constructions of boilers, pressure vessels, pipelines and power-station equipment operating at lowered, elevated and normal temperatures. It defines requirements ensuring the steels are suitable for welding and for service under pressure.

Key topics and requirements

• Designation of steel grades and permitted chemical composition ranges (elements and limits).
• Mechanical property requirements (tensile strength, yield, elongation) and, where applicable, impact toughness criteria for specified temperatures.
• Requirements for heat treatment and thermomechanical processing to achieve required properties.
• Dimensional and geometric tolerances for plate thickness, width and flatness.
• Weldability and suitability for welding; instructions for delivery condition in relation to welding operations.
• Sampling, inspection and testing procedures (mechanical tests, chemical analysis, non-destructive examination and acceptance testing) and marking/traceability requirements.
• Packaging, storage and certification/documentation required on delivery.

Typical use and users

Primary users are steel producers and mills, suppliers of thick plate products, manufacturers of boilers and pressure vessels, pipeline fabricators, power plant equipment makers (including thermal and nuclear power), oil & gas and petrochemical fabricators, quality/inspection bodies and regulatory authorities responsible for pressure equipment safety (e.g., Rostekhnadzor in Russia). The material specified by this standard is used where weldable, pressure‑service plate steels are required (e.g., boiler shells, vessel shells, tubesheets, heads and structural parts of pressure-containing assemblies).

Related standards

GOST 5520-2017 replaces GOST 5520-79 and references several normative documents for test methods and related requirements, including standards for chemical analysis and mechanical testing (examples: GOST 10243-75, GOST 19903-2015 and a range of GOST methods for element determination and mechanical/impact testing). It also cross-references pressure-equipment and welding standards relevant for fabrication and inspection.

Keywords

thick plate, boiler plate, pressure vessel steel, rolled plate, non-alloy steel, low-alloy steel, weldable plate, heat treatment, thermomechanical treatment, mechanical properties, chemical composition, testing, GOST 5520-2017.

FAQ

Q: What is this standard?

A: GOST 5520-2017 is a state/interstate standard that sets technical specifications and acceptance requirements for hot-rolled thick plates of non-alloy and alloy steels intended for boilers and pressure vessels.

Q: What does it cover?

A: It covers steel grades, chemical and mechanical requirements, permitted delivery conditions (heat-treated, thermomechanically treated or as-rolled), dimensional tolerances, testing and inspection, marking, packaging and documentation for plate thicknesses typically from 4 to 160 mm used in pressure equipment.

Q: Who typically uses it?

A: Steel mills, plate suppliers, fabricators of boilers and pressure vessels, power-generation equipment manufacturers, petrochemical industry fabricators, testing laboratories and national/regional certification or inspection authorities.

Q: Is it current or superseded?

A: GOST 5520-2017 is the current (2017) edition and it replaced the earlier GOST 5520-79; it was registered in late 2017 and came into force on 1 October 2018. Users should check national registries for any later amendments or revisions.

Q: Is it part of a series?

A: It is a single product standard within the family of metallurgical and pressure-equipment standards; it cross-references multiple test-method and material standards (GOSTs) and sits among other standards governing steels for pressure service.

Q: What are the key keywords?

A: Boiler plate, pressure vessel plate, rolled thick plate, non-alloy steel, low-alloy steel, weldability, heat treatment, mechanical properties, GOST 5520-2017.