ISO 6743-6:2018 PDF

Name: ISO 6743-6:2018 — Lubricants, industrial oils and related products (class L) — Classification — Part 6: Family C (gear systems)
SKU: ISO 6743-6:2018
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Lubricants, industrial oils and related products (class L) — Classification — Part 6: Family C (gear systems)

Название (английский):

ISO 6743-6:2018

Lubricants, industrial oils and related products (class L) — Classification — Part 6: Family C (gear systems)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 17 января 2018 г.
Издание:: ISO IS 6743 edition 2 version 1
ICS:: 75.100

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Описание (английский):

ISO 6743-6:2018 establishes the detailed classification of fluids of Family C (gear systems) which belongs to class L (lubricants, industrial oils and related products). It can be read in conjunction with ISO 6743‑99. The classification in this document concerns lubricants for industrial gears and excludes lubricants for automotive gears.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 6743-6:2018 is an international ISO standard that defines the detailed classification of fluids in Family C (gear systems) within Class L (lubricants, industrial oils and related products). It covers classification codes, typical compositions (mineral, semi‑synthetic, synthetic, biodegradable), and notation conventions (e.g., ISO‑L‑CKD 220). The standard applies to industrial gear oils and gear lubricants (enclosed, open, splash or splash/ circulation, and grease applications) and explicitly excludes automotive gear lubricants. It is intended to be read in conjunction with ISO 6743‑99.

Key topics and technical requirements

Classification system and symbols: Products are grouped using a code beginning with “C” (e.g., CKB, CKD, CKSMP) that identifies application, properties and composition. Viscosity grades can be appended per ISO 3448.

Composition categories: Distinguishes mineral, semi‑synthetic, synthetic (esters, poly‑glycols, poly α‑olefins), environmentally acceptable fluids and special categories for micro‑pitting protection.

Performance attributes: Classification addresses requirements such as oxidation stability, corrosion protection (for ferrous and non‑ferrous metals), extreme‑pressure (EP) and anti‑wear properties, anti‑foaming and low‑friction formulations for worm gears.

Operating conditions and selection parameters: Annex A lists key parameters for lubricant selection:

Stabilized oil / ambient temperature bands (e.g., Very low < −34 °C; Normal −16 °C to +70 °C; Very high > +120 °C).
Tooth loading definitions (Moderate vs. High load) including a Hertz pressure reference of 500 MPa and sliding velocity criteria (high load may exceed one third of pitch line velocity).

Compatibility notes: The standard flags miscibility and compatibility issues (e.g., poly‑glycol based oils vs. hydrocarbon oils) and advises consideration of equipment designed for specific oil types.

Practical applications

Specifying and labeling industrial gear oils for enclosed gearboxes, planetary gears, worm gears, open/hand‑lubricated gears and gear greases.

Guiding lubricant selection based on temperature, load, speed and environmental requirements (biodegradability, eco‑toxicity).

Supporting procurement specifications, OEM recommendations, maintenance procedures and lubricant product data sheets.

ISO 6743-6:2018 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who uses this standard

Related standards

Технические детали

SIST ISO 6743-99:2003

Lubricants, industrial oils and related products (class L) -- Classification -- Part 99: General

ISO 3448:1975

Industrial liquid lubricants — ISO viscosity classification

SIST ISO 6743-15:2008

Lubricants, industrial oils and related products (class L) - Classification - Part 15: Family E (Internal com…

SIST ISO 6743-9:2006

Lubricants, industrial oils and related products (class L) -- Classification -- Part 9: Family X (Greases)

SIST ISO 6743-6:2018

Lubricants, industrial oils and related products (class L) - Classification - Part 6: Family C (gear systems)