JB/T 53343-1999
Sintered Tin Bronze Filter Elements - Product Quality Grading (Internal Use)
烧结锡青铜过滤元件 产品质量分等（内部使用）
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 → 5 检测方法 → 6 检测规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Grading Principles → 4 Quality Grade Indicators → 5 Test Methods → 6 Inspection Rules
Scope
This standard specifies the product quality grade levels for sintered tin bronze filter elements. This standard is applicable to the product quality grade assessment of sintered tin bronze filter elements in enterprise upgrading, excellence creation, and quality evaluation. It may also serve as a basis for high-quality and high-price products.
本标准规定了烧结锡青铜过滤元件产品质量等级水平。本标准适用于烧结锡青铜过滤元件产品在企业升级、创优和质量考核中的产品质量等级评定。亦可作为产品优质优价的依据。
Normative References
Keywords
Application Summary AI generated
Powder metallurgy product factories and quality inspection agencies use this standard to grade the quality of sintered tin bronze filter elements. It helps enterprises in product upgrading, excellence creation, and quality evaluation, and provides a basis for pricing high-quality products. By defining qualified, first-grade, and superior product levels, it ensures performance meets diverse application needs.
粉末冶金制品厂和质检机构使用这个标准来评定烧结锡青铜过滤元件的质量等级。它帮助企业进行产品升级、创优和质量考核，并为优质优价提供依据。该标准通过划分合格品、一等品和优等品，确保产品性能满足不同应用需求。
AI Summary AI generated
This standard specifies the product quality grading for sintered tin bronze filter elements, applicable to enterprise upgrading, excellence creation, and quality evaluation. Products are classified into qualified, first-grade, and superior grades, with assessment items including critical items (e.g., filtration accuracy and permeability), major items (e.g., density, shear strength, and dimensional accuracy), and general items (e.g., appearance and packaging). Test methods reference JB/T 8395, and evaluation rules are based on item pass rates and allowable non-conforming item counts. The standard provides a basis for high-quality pricing and ensures product performance consistency.
本标准规定了烧结锡青铜过滤元件的产品质量分等，适用于企业升级、创优和质量考核。产品分为合格品、一等品和优等品，考核项目包括关键项目（如过滤精度和渗透性）、主要项目（如密度、剪切强度和尺寸精度）和一般项目（如外观和包装）。检测方法引用JB/T 8395，评定规则基于项次合格率和允许不合格项次数。该标准为优质优价提供依据，确保产品性能一致性。
Key Sentences extracted from text
本标准规定了烧结锡青铜过滤元件产品质量等级水平。
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。
各等级产品质量水平考核项目分为关键项目、主要项目和一般项目。
评定产品质量等级水平，其检测项目和检测样品件数应符合表1、表2和表3的规定。
一等品评定中不合格项次的检测结果不得低于一等品的指标，优等品评定中不合格项次的检测结果不得低于一等品的指标。
This standard specifies the product quality grade levels for sintered tin bronze filter elements.
Products are divided into three grades: qualified product, first-grade product, and superior product, based on quality level and use value, while conforming to current standards.
The quality level assessment items for each grade are divided into critical items, major items, and general items.
The inspection items and number of samples for assessing product quality grade levels shall comply with the provisions of Tables 1, 2, and 3.
In the assessment of first-grade products, the test results of non-conforming items shall not be lower than the indicators for first-grade products; in the assessment of superior products, the test results of non-conforming items shall not be lower than the indicators for first-grade products.
Standard Timeline
Changes from replaced version:
- 删去了第2章采用标准中的DIN V30910《烧结金属过滤器》、DIN V30911《烧结金属过滤器》和DIN V30911《烧结金属过滤特性的测定》
- 表1的渗透性指标依据JB/T 8395—1996作了修订
- 依据JB/T 8395—1996补充了4.3主要项目指标中的剪切强度分等质量指标（表2）
- 补充了5.1性能、密度检测方法的规定
- Deleted DIN V30910 'Sintered Metal Filters', DIN V30911 'Sintered Metal Filters', and DIN V30911 'Determination of Sintered Metal Filter Characteristics' from the standards in Chapter 2
- Revised the permeability indicators in Table 1 according to JB/T 8395-1996
- Added shear strength grading quality indicators in Section 4.3 major project indicators (Table 2) according to JB/T 8395-1996
- Added provisions for performance and density test methods in Section 5.1