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ISO 6549:2026 Road vehicles — Procedure for H- and R-point determination

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ISO/TS 24929-5:2026 Child care articles — General safety — Part 5: Product information

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ISO 21506:2024/Amd 1:2026 Project, programme and portfolio management — Vocabulary — Amendment 1

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ISO 15590:2021

ISO 15590:2021 Petroleum and natural gas industries – Factory bends, fittings and flanges for pipeline transportation systems – Part 2: Fittings

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SKU: 35254c000308 Category:

Description

This document specifies the technical delivery conditions for unalloyed or low-alloy steel seamless and welded pipeline fittings for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.

This document is applicable to welding-end fittings such as elbows, caps, tees, single or multiple extruded headers, reducers, and transition sections made from seamless and welded pipe of unalloyed or low-alloy steels.

This document specifies two classes of fitting one related to material used in non-sour service and one for material to be use in sour service environment as shown in Table 1.

This document is not applicable to the selection of the fitting class.

This document is not applicable to the materials for, or the attachment of, factory-welded extensions.

Edition

2

Published Date

2021-08-04

Status

PUBLISHED

Pages

27

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the technical delivery conditions for unalloyed or low-alloy steel seamless and welded pipeline fittings for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.

This document is applicable to welding-end fittings such as elbows, caps, tees, single or multiple extruded headers, reducers, and transition sections made from seamless and welded pipe of unalloyed or low-alloy steels.

This document specifies two classes of fitting one related to material used in non-sour service and one for material to be use in sour service environment as shown in Table 1.

This document is not applicable to the selection of the fitting class.

This document is not applicable to the materials for, or the attachment of, factory-welded extensions.

Previous Editions

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