ISO 9442:1988 PDF
Steel — Hot-rolled ribbed and grooved flats for spring leaves — Tolerances and dimensions
Steel — Hot-rolled ribbed and grooved flats for spring leaves — Tolerances and dimensions
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 3
- Дата публикации:
- 22 сентября 1988 г.
- Издание:
- ISO IS 9442 edition 1 version 1
- ICS:
- 77.140.25
Applies to hot-rolled spring steel with the dimensions stated in table 1, of the steel grades listed in clause 4, which are preferably used for rail vehicle construction. Specifies dimensions and tolerances, material, mode of delivery and testing.
Abstract
Overview
ISO 9442:1988 is an international standard specifying the tolerances and dimensions for hot-rolled ribbed and grooved flats used in spring leaves. Primarily intended for spring steel employed in rail vehicle construction, this standard defines the essential requirements regarding dimensions, material grades, delivery methods, and testing procedures. Published by the International Organization for Standardization (ISO), ISO 9442:1988 helps ensure consistency, quality, and interchangeability of spring components manufactured from hot-rolled steel flats.
Key Topics
-
Scope and Application Targets hot-rolled ribbed and grooved spring steel flats with standard dimensions (detailed in Table 1 of the document) and steel grades as per clause 4. The standard focuses on steel types such as 59 Si 7 and, in exceptional cases, 51 CrV 4, often chosen for rail vehicle springs.
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Dimensions and Tolerances Defines precise measurements for thickness, width, rib and groove positioning, and straightness.
- Thickness tolerances vary by nominal thickness (e.g., ±0.2 mm for thickness
Технические детали
- Технический комитет
- ISO/TC 17/SC 4 - Heat treatable and alloy steels
- SKU
- ISO 9442:1988
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