ISO 9330-1:1990 PDF

Name: ISO 9330-1:1990 — Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Unalloyed steel tubes with specified room temperature properties
SKU: ISO 9330-1:1990
Price: 25 EUR
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Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Unalloyed steel tubes with specified room temperature properties

Название (английский):

ISO 9330-1:1990

Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Unalloyed steel tubes with specified room temperature properties

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 15 февраля 1990 г.
Издание:: ISO IS 9330 edition 1 version 1
ICS:: 23.040.10

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Описание (английский):

Lays down the conditions for tubes of circular cross-section. These tubes are intended for pressure purposes including the transport of fluids under pressure. Includes symbols and denominations, information to be supplied by the purchaser, manufacturing process, metallurgical properties, dimensions, masses and tolerances, appearance and soundness, inspection and testing, marking and protection.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 9330-1:1990 specifies the technical delivery conditions for welded steel tubes of circular cross-section made from unalloyed steel with specified room-temperature properties. Intended for pressure purposes (including transport of fluids under pressure), the standard covers manufacturing routes (ERW, SAW, fusion/butt welding), delivery conditions, required purchaser information, metallurgical and mechanical requirements, dimensions, masses, tolerances, inspection and testing, marking and protection. Certain applications permit use up to 350 °C (see annex A).

Key topics and requirements

Scope and application: Welded tubes (tube = pipe) for pressure service; hot- or cold-finished; longitudinal or spiral welds.

Purchaser information: Mandatory details include designation (“tube”), manufacturing process, dimensional reference (ISO 4200), outside diameter × wall thickness, length, tolerances, and inspection/testing requirements.

Manufacturing processes: Electric resistance welding (ERW), submerged arc welding (SAW), butt/fusion welding; killed steel required (TW 320 may be semikilled); options for hot- or cold-finishing and heat treatments.

Chemical composition: Limits are given for steel grades TW 320, TW 360, TW 410, TW 430 and TW 500 (example: TW 360 shown with C max 0.17%, Si max 0.35%, Mn 0.30–0.80%, P/S max 0.040%).

Mechanical properties: Room-temperature tensile and yield ranges are specified by grade (examples: TW 360 tensile range ~360–500 N/mm²; TW 410 ~410–550 N/mm²; TW 500 ~500–650 N/mm²). Tests referenced include tensile, flattening, bend, drift-expanding and hydraulic tests.

Dimensions & tolerances: Tube sizes follow ISO 4200 with defined tolerances on outside diameter, wall thickness, ovality, weld seam height and exact-length tolerances.

Inspection & testing: Specifies visual and non‑destructive tests appropriate to welding process - ultrasonic, eddy-current, magnetic flux leakage, radiographic and hydraulic leak-tightness tests as referenced.

Marking & protection: Requirements for marking, inspection certificates and protective measures at delivery.

Applications and users

Tube manufacturers and steel mills for specifying production and delivery conditions.

Purchasers, specifiers and procurement teams who order welded steel tubes for pressure systems.

Design and piping engineers, pressure-vessel fabricators, pipeline contractors and quality/inspection personnel who require traceable chemical, mechanical and NDT verification for pressure-service tubing.

Related standards

Key cross-referenced standards include ISO 4200 (dimensions/masses), ISO 404 (general delivery requirements), ISO 6761 (tube end preparation), and NDT/inspection standards such as ISO 9302 / 9303 / 9304 / 9764 / 9765. Use these together with ISO 9330-1 when specifying welded steel tubes for pressure purposes.

ISO 9330-1:1990 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

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