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//ISO 5450:1980

ISO 5450:1980

Name: ISO 5450:1980 — Ferrotungsten — Specification and conditions of delivery
SKU: ISO 5450:1980
Price: 25 EUR
Availability: InStock

Ferrotungsten — Specification and conditions of delivery

Название (английский):

ISO 5450:1980

Ferrotungsten — Specification and conditions of delivery

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 1 декабря 1980 г.
Издание:: ISO IS 5450 edition 1 version 1
ICS:: 77.100

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

Refers to ferrotungsten usually supplied for steelmaking and foundry use. Specifies definition, information for ordering, requirements, testing, despatch and storage.

Abstract

Overview

ISO 5450:1980 is an international standard that specifies the requirements and conditions of delivery for ferrotungsten, a ferroalloy primarily used in steelmaking and foundry applications. Developed by ISO Technical Committee ISO/TC 132 (Ferroalloys), this standard defines essential criteria for the , , , , and related to ferrotungsten supply.

Key Topics

Definition and Scope
Ferrotungsten is defined as an iron-tungsten alloy, typically containing 70% to 85% tungsten, supplied primarily for steelmaking and foundry uses. The standard governs how ferrotungsten should be ordered, tested, packed, stored, and delivered.
Consignment Constitution Methods
The standard outlines three methods of consignment constitution to accommodate different production and delivery scenarios:
- Tapped lot method: Single melt or part of a continuous tap.
- Graded lot method: Multiple melts combined into one designation.
- Blended lot method: Multiple crushed melts mixed and sized below 50 mm.
Chemical Composition Requirements
Specific chemical limits are set for tungsten and usual impurities such as silicon, carbon, manganese, phosphorus, sulfur, arsenic, and others. Table 1 in the standard details exact permissible ranges for these elements under different ferrotungsten designations.
Particle Size Classification
Ferrotungsten must be supplied either in lumps or crushed and screened particles, with defined particle size ranges and tolerances (Table 2). Particle sizing is crucial to ensure compatibility with steelmaking or foundry feeding systems.
Sampling and Testing
Sampling must follow ISO 3713 for representativeness, and chemical analysis should be conducted preferably with standardized methods. Procedures for dealing with discrepancies in testing results-such as arbitration sampling and analysis-are specified to resolve disputes between supplier and purchaser.
Delivery, Storage, and Packaging
The standard mandates packaging and storage methods that protect ferrotungsten from contamination, damage, and comply with international transportation regulations (including those for hazardous materials where applicable).

Applications

ISO 5450:1980 is primarily designed for steelmakers, foundries, and ferroalloy suppliers who require a reliable quality framework for ferrotungsten products. By following this standard, stakeholders can:

Ensure consistent chemical quality to produce high-grade steel and alloys.
Control particle size for optimal melting and mixing during alloy production.
Facilitate transparent supply agreements through clear ordering information and delivery conditions.
Minimize risks of product contamination and spoilage during transport and storage.
Implement uniform sampling and testing procedures to avoid disputes and maintain quality assurance.

Related Standards

ISO 3713: Sampling and Preparation of Ferroalloys – Provides general rules for sampling, which ISO 5450 references for ferrotungsten sampling procedures.
ISO 565: Test Sieves - Woven Metal Wire Cloth and Perforated Plate – Used for defining particle size measurements and screening in ferrotungsten sizing.
ISO 4551: Sieve Analysis of Ferroalloys (under development) – Will standardize sieve analysis methods for ferroalloys including ferrotungsten.
International Maritime Dangerous Goods Code and RID Regulations – Referenced for the safe packaging and transport of ferrotungsten by land or sea.

Keywords: ISO 5450, ferrotungsten standard, ferroalloy specifications, steelmaking additives, foundry materials, ferrotungsten chemical composition, ferrotungsten particle size, ferroalloy delivery conditions, ferroalloy sampling, ferroalloy testing, ferroalloy packaging and storage.

Технические детали

Технический комитет: ISO/TC 132 - Ferroalloys
SKU: ISO 5450:1980

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ISO 3713:1987

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ISO 5450:1980

Abstract

Overview

Похожие стандарты

Key Topics

Applications

Related Standards

Технические детали

ISO 3713:1987

Ferroalloys — Sampling and preparation of samples — General rules

ISO 5652:1984

Information processing — 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange — Format an…

ISO 4551:1987

Ferroalloys — Sampling and sieve analysis