GOST R 59238-2020 PDF

Full title and description

GOST R 59238-2020 — All-rolled wheels for wheelsets of subway rolling stock. General specifications. The standard establishes technical requirements, acceptance rules and test methods for all-rolled (solid-rolled) wheels used on motor and non-motor wheelsets of metro rolling stock, including wheels with preliminary mechanical processing and finish (final-machined) wheels.

Abstract

GOST R 59238-2020 specifies material, chemical and mechanical requirements for solid-rolled wheels for metro wheelsets; required dimensional and geometric characteristics; hardness measurement methods (Brinell, Vickers) and limits; rules for sampling and acceptance testing; requirements for heat treatment and surface strengthening (for example, shot peening); marking, packaging, transport and storage; and documentation/quality records needed to demonstrate conformity. It is intended to ensure interchangeability, durability and safety of wheels in metropolitan rolling stock.

General information

• Status: Active / In force.
• Publication date: Approved 3 December 2020 (entered into force 1 March 2021).
• Publisher: Federal Agency on Technical Regulating and Metrology (Rosstandart) — National standard of the Russian Federation.
• ICS / categories: 45.060 (Railway rolling stock).
• Edition / version: GOST R 59238-2020 (2020 edition; current national standard).
• Number of pages: 28 pages (electronic PDF).

Scope

The standard applies to solid-rolled wheels (all-rolled wheels), including wheels with preliminary mechanical processing and finish wheels, manufactured and supplied for motor and non-motor wheelsets of metro (subway) rolling stock. It covers wheels produced to the UHL climatic designation per GOST 15150 and addresses production, testing and acceptance for series production and individual batches.

Key topics and requirements

• Material and chemical composition limits and acceptable steel grades for wheel manufacture (including limits for hydrogen and other trace elements).
• Mechanical properties and hardness requirements (Brinell and Vickers measurement methods and acceptance depths/locations).
• Dimensional, geometric and mass tolerances for wheel profiles, rims, discs and hubs; drawing and marking requirements.
• Acceptance, sampling and type/lot testing procedures (including frequency and sampling plans for castings/forgings/melts).
• Non-destructive and destructive test methods required (hardness testing, tensile testing, fracture-toughness-related checks, surface condition inspections).
• Heat treatment, surface strengthening (shot peening) and finishing processes with required controls and record-keeping.
• Packing, labeling, transport and storage rules to preserve wheel condition and traceability.
• Manufacturer guarantees, quality documentation and conformity confirmation procedures.

Typical use and users

Primary users are wheel manufacturers and metallurgical works producing rolled wheels; metro and urban rail rolling-stock manufacturers and refurbishment shops; quality and testing laboratories; procurement and maintenance engineers at metropolitan transit authorities; and regulatory bodies overseeing railway safety and conformity. The standard is used when specifying, purchasing, producing, inspecting and accepting metro wheelsets.

Related standards

GOST R 59238-2020 references other national standards for environmental designation and testing methods, notably GOST 15150 (climatic-designation / operating conditions) and hardness/testing standards such as GOST 9012 (Brinell hardness). It sits within the ICS 45.060 family of railway rolling-stock standards and is related to other GOST R publications covering mechanical testing and safety of rolling-stock components.

Keywords

all-rolled wheels; solid-rolled wheels; metro wheelsets; subway rolling stock; wheel specifications; wheel hardness; Brinell; Vickers; acceptance tests; wheel material; GOST R 59238-2020.

FAQ

Q: What is this standard?

A: GOST R 59238-2020 is the Russian national standard that defines general technical specifications for solid-rolled (all-rolled) wheels used on wheelsets of metro/subway rolling stock.

Q: What does it cover?

A: It covers material and chemical requirements, mechanical properties and hardness limits, dimensional and geometric tolerances, acceptance and test methods (including sampling plans), heat treatment and surface strengthening, marking, packaging, transport, storage and documentation required to demonstrate conformity.

Q: Who typically uses it?

A: Wheel producers, metro rolling-stock manufacturers, repair and overhaul shops, transit authority maintenance and procurement teams, test laboratories and regulators responsible for safety and conformity of metro rolling stock.

Q: Is it current or superseded?

A: This publication (GOST R 59238-2020) is the 2020 edition and is listed as active/in force; it was approved 3 December 2020 and brought into effect on 1 March 2021. Users should check national catalogues or Rosstandart publications for any amendments or later revisions.

Q: Is it part of a series?

A: It is part of the set of national standards for railway rolling stock (ICS 45.060) and relates to other GOST/GOST‑R standards that regulate testing methods, environmental designations and mechanical/metal requirements for rolling-stock components.

Q: What are the key keywords?

A: Metro wheels; all-rolled wheels; wheelset wheels; wheel hardness; acceptance testing; wheel material composition; GOST R 59238-2020.