ISO 14175:2008 PDF
Welding consumables — Gases and gas mixtures for fusion welding and allied processes
Welding consumables — Gases and gas mixtures for fusion welding and allied processes
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 9
- Дата публикации:
- 27 февраля 2008 г.
- Издание:
- ISO IS 14175 edition 2 version 1
- ICS:
- 25.160.20
ISO 14175:2008 specifies requirements for the classification of gases and gas mixtures used in fusion welding and allied processes including, but not limited to: tungsten arc welding (Process 141); gas-shielded metal arc welding (Process 13); plasma arc welding (Process 15); plasma arc cutting (Process 83); laser welding (Process 52); laser cutting (Process 84); arc braze welding (Process 972). Process numbers are in accordance with ISO 4063. The purpose of ISO 14175:2008 is to classify and designate shielding, backing, process and assist gases in accordance with their chemical properties and metallurgical behaviour as the basis for correct selection by the user and to simplify the possible qualification procedures.
Abstract
Overview
ISO 14175:2008 - Welding consumables - Gases and gas mixtures for fusion welding and allied processes - specifies a harmonized system to classify and designate shielding, backing, process and assist gases used in fusion welding and related processes. The standard covers common processes (per ISO 4063) such as tungsten inert gas (TIG) welding, gas‑shielded metal arc welding (GMAW), plasma welding/cutting, laser welding/cutting and arc braze welding. Its purpose is to help users select the correct shielding gas by chemical properties and metallurgical behaviour and to simplify qualification procedures.
Key topics and technical requirements
- Scope: Applies to gases and mixtures used in fusion welding and allied processes; fuel gases and resonator gases for lasers are excluded. Gases may be supplied liquid or gaseous but are used as gases.
- Classification system: Main groups and subgroups (I, M1–M3, C, R, N, O, Z) based on reactivity and component ranges. Argon/helium are base gases; oxygen, CO2, hydrogen and nitrogen are common components.
- Designation format: Classification + chemical symbols + nominal compositions (e.g., ISO 14175 – M25 – ArCO – 6/4; ISO 14175 – I3 – ArHe – 30).
- Component tolerances: Mixture tolerances are specified (Table 3): for component >5% nominal, ±10% of nominal; for 1–5% nominal, ±0.5% absolute;
Технические детали
- Технический комитет
- ISO/TC 44/SC 3 - Welding consumables
- SKU
- ISO 14175:2008
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