GB/T 9125.1-2020 Active National standards

GB/T 9125.1-2020 Fasteners for steel pipe flange joints—Part 1:PN designated

GB/T 9125.1-2020 Fasteners for steel pipe flange joints—Part 1:PN designated

Publish Date: 2020-09-29 Implement Date: 2021-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 9125.1-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Piping accessories
ICS Name: Flanges, pipe joints, and connectors
Publish Date: 2020-09-29
Implement Date: 2021-04-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国管路附件标准化技术委员会(SAC/TC 237)
Pages: 88 pages

Scope

GB/T 9125的本部分规定了PN系列钢制管法兰连接用紧固件的结构型式、尺寸和公差、材料、制造和热处理、检验和验收、产品质量证明书、标记和标志、防护和包装的要求。
本部分适用于GB/T 9124.1中规定的钢制管法兰连接用紧固件(包括六角头螺栓、等长双头螺柱、全螺纹螺柱和螺母)。

Development Information

Drafting Units:

中国石化工程建设有限公司、中机生产力促进中心、中石油华东设计院有限公司、中国天辰工程有限公司、浙江高强度紧固件有限公司、浙江舟山市正源标准件有限公司

Drafting Persons:

陈永亮、李俊英、张宝江、冯峰、赵勇、刘洪福、刘建欣、葛海泉、林仲岳

Word Count: 166 Thousand words Pages: 88 pages

Same series standard

Replace the following standards

Referenced Standards

GB/T 901 GB/T 2-2001 Fasteners—Ends of parts with external thread GB/T 2-2016 Fasteners—Ends of parts with external thread GB/T 90.1-2002 Fasteners—Acceptance inspection GB/T 90.1-2023 Fasteners—Acceptance inspection GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 1221-1992 Heat-resisting steel bars GB/T 1221-2007 Heat-resistant steel bars GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts GB/T 3098.6-2000 Mechanical properties of fasteners—Bolts, screws and studs made of stainless-steel GB/T 3098.6-2014 Mechanical properties of fasteners—Stainless steel Bolts,screws and studs GB/T 3098.6-2023 Mechanical properties of fasteners—Stainless steel bolts,screws and studs GB/T 3098.15-2000 Mechanical properties of fasteners—Nuts made of stainless-steel GB/T 3098.15-2014 Mechanical properties of fasteners—Stainless steel nuts GB/T 3098.15-2023 Mechanical properties of fasteners—Stainless steel nuts GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB/T 5276-2015 Fasteners—Bolts,screws,studs and nuts—Symbols and descriptions of dimensions GB/T 5779.1-2000 Fasteners—Surface discontinuities—Bolts,screws and studs for general requirements GB/T 5779.2-2000 Fasteners—Surface discontinuities—Nuts GB/T 5782-2000 Hexagon head bolts GB/T 5782-2016 Hexagon head bolts GB/T 5785-2000 Hexagon head bolts with fine pitch thread GB/T 5785-2016 Hexagon head bolts—Fine pitch thread GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts GB/T 5782-2025 Fasteners—Hexagon head bolts GB/T 5785-2025 Fasteners—Hexagon head bolts—Fine pitch thread

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