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ISO 22055:2019

Switch and crossing rails ISO 22055:2019

Publication date:   Nov 26, 2019

General information

90.20 Standard under periodical review   Oct 15, 2024

ISO

ISO/TC 17/SC 15 Railway rails, rails fasteners, wheels and wheelsets

International Standard

45.080   Rails and railway components | 77.140.99   Other iron and steel products

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Scope

This document specifies switch and crossing rails that carry railway wheels as specified in ISO 5003. These are used in conjunction with flat bottom (vignole) railway rails. After switch and crossing rails are produced, in order to be ready for railway track use, secondary processing (forging, grinding and heat treatment etc.) is carried out. This document does not include secondary processing. Secondary processing is specified in other standards or through agreements between manufacturer and purchaser.
Sixteen pearlitic steel grades are specified, covering a hardness range of 200 HBW to 440 HBW, and include non-heat-treated carbon manganese steels, non-heat-treated alloy steels, heat-treated carbon manganese and heat-treated low

Life cycle

NOW

PUBLISHED
ISO 22055:2019
90.20 Standard under periodical review
Oct 15, 2024