JB/T 53341-1999
Reduced iron powder for powder metallurgy - Product quality grading
粉末冶金用还原铁粉 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量分等原则 → 4 质量等级指标和检测方法 → 5 检验规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Grading Principle → 4 Quality Grade Indicators and Test Methods → 5 Inspection Rules
Scope
This standard specifies the product quality grade levels of reduced iron powder of grades FHY80·23, FHY80·25, FHY100·25 and FHY100·27 for powder metallurgy. This standard is applicable to the quality grade assessment of reduced iron powder of grades FHY80·23, FHY80·25, FHY100·25 and FHY100·27 in product quality evaluation, enterprise upgrading and product excellence creation. It can also serve as a basis for high-quality and high-price products.
本标准规定了粉末冶金用FHY80·23、FHY80·25、FHY100·25 和FHY100·27 牌号还原铁粉产品质量等级水平。本标准适用于FHY80·23、FHY80·25、FHY100·25 和FHY100·27 牌号还原铁粉在产品质量考核、企业升级和产品创优中的质量等级评定。亦可作为产品优质优价的依据。
Normative References
Keywords
Application Summary AI generated
Manufacturers of reduced iron powder for powder metallurgy use this standard to classify their products into quality grades: qualified, first-grade, and superior. Quality inspection departments rely on the specified indicators and test methods to evaluate iron powder, ensuring compliance with grade requirements. This standard helps drive product quality improvement and supports pricing based on quality.
粉末冶金生产企业使用本标准来评定还原铁粉产品的质量等级，包括合格品、一等品和优等品。质量检验部门依据本标准中的指标和检测方法对铁粉进行考核，确保产品符合不同等级要求。本标准有助于推动企业提升产品质量，并为优质优价提供依据。
AI Summary AI generated
This standard specifies the product quality grading requirements for four grades (FHY80·23, FHY80·25, FHY100·25, FHY100·27) of reduced iron powder for powder metallurgy. Products are classified into three quality levels: qualified, first-grade, and superior, each with specific indicators for key items (iron, carbon, hydrogen loss), major items (compressibility, flowability, particle size distribution), and general items. Test methods reference multiple GB/T standards. The standard also specifies sampling procedures and evaluation rules, applicable to quality assessment, enterprise upgrading, and product excellence creation.
本标准规定了粉末冶金用四种牌号（FHY80·23、FHY80·25、FHY100·25、FHY100·27）还原铁粉的产品质量分等要求。产品按质量水平分为合格品、一等品和优等品三个等级，每个等级对铁、碳、氢损等关键项，以及压缩性、流动性、粒度分布等主要和一般项均有具体指标。检测方法引用多项GB/T标准。标准还规定了抽样方法和评定规则，适用于质量考核、企业升级和产品创优。
Key Sentences extracted from text
本标准规定了粉末冶金用FHY80·23、FHY80·25、FHY100·25 和FHY100·27 牌号还原铁粉产品质量等级水平。
产品在符合现行标准的基础上，根据质量水平和使用价值分为合格品、一等品和优等品三个等级。
质量等级指标和检测方法应分别符合表1、表2、表3 和表4 的规定。
取样按GB/T 5314 的规定。
由于还原铁粉的项次少，不宜用百分合格率的办法评定，故对铁粉质量按以下办法评定。
This standard specifies the product quality grade levels of reduced iron powder of grades FHY80·23, FHY80·25, FHY100·25 and FHY100·27 for powder metallurgy.
On the basis of conforming to current standards, products are divided into three grades: qualified product, first-grade product and superior product according to quality level and use value.
Quality grade indicators and test methods shall comply with the provisions of Table 1, Table 2, Table 3 and Table 4 respectively.
Sampling shall be carried out according to the provisions of GB/T 5314.
Because the number of items of reduced iron powder is small, it is not suitable to evaluate by the percentage pass rate method, so the quality of iron powder is evaluated according to the following methods.
Standard Timeline
Changes from replaced version:
- 对原标准作了编辑性修改
- 主要技术内容没有变化
- Editorial modifications were made to the original standard
- The main technical content remained unchanged