标准编号:	HG/T 20537.4-1992
中文名称:	化工装置用奥氏体不锈钢大口径焊接钢管技术要求
英文名称:	Chemical apparatus of austenitic stainless steel welded pipe technology requirements of large diameter
中标分类:	G91    化工机械与设备零部件
行业分类:	HG    化工行业标准
ICS分类:	71.120 71.120    化工设备 71.120
发布机构:	国家石油和化学工业局
发布日期:	1993-1-15
实施日期:	1993-5-1
标准状态:	现行
翻译语言:	英文
文件格式:	PDF
中文字符数:	8000 字
翻译价格(元):	420.00 元
交付时间:	付款后 1 个工作日

1. Subject Content and Application Scope



This standard specifies the specification, dimension, manufacture process, technical requirements, test methods, inspection rules, marking and packaging and quality certificate with regards to the large caliber welded austenitic stainless steel pipe for chemical, petrochemical and pharmaceutical industries.

This standard is applicable to the large caliber welded austenitic stainless steel pipe for chemical plant installations (hereinafter referred to as large caliber welded pipe), which is produced by the electric arc welding by adding filler metal.



2. Normative References



GB 222 "Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis"

GB 228 "Tensile Test Method for Metal"

GB 241 "Metal Materials - Tube - Hydrostatic Pressure Test"

GB 232 "Metallic Materials - Bend Test"

GB 2102 "Acceptance, Packing, Marking and Quality Certification of Steel Pipe"

GB 2975 "Rules for Sampling in Mechanical and Technological Testing of Steel Products"

1. Subject Content and Application Scope
2. Normative References
3. Dimension, Appearance and Weight
4. Technical Requirements
5. Test Methods
6. Inspection Rules
7. Packaging, Marking and Quality Certificate
8. Application Requirements
9. Additional Requirements
Appendix A Common Specification for Large-Caliber Welded Austenitic Stainless Steel Pipe of Chemical Plant Installations