GB/T 27866-2023 Active National standards

GB/T 27866-2023 Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking

GB/T 27866-2023 Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking

Publish Date: 2023-11-27 Implement Date: 2024-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 27866-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Oil and gas gathering and transportation equipment

ICS Name: Petroleum, petroleum products, and natural gas storage and transportation equipment

Publish Date: 2023-11-27

Implement Date: 2024-03-01

Pages: 12 pages

Scope

This document describes the hardness control method for preventing sulfide stress cracking (SSC) in welds of pipelines and equipment exposed to acidic environments, and specifies the requirements for hardness control.
This document is applicable to welds manufactured for carbon steel and low-alloy steel pipelines and equipment with a minimum tensile strength of no more than 490 MPa, as well as construction welds.
This document does not include other types of environmental cracking caused by hydrogen sulfide environments, such as stress-induced hydrogen cracking (SOHIC) and soft zone cracking (SZC).

Development Information

Word Count: 25 Thousand words Pages: 12 pages

Replace the following standards

GB/T 27866-2011 Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking

Referenced Standards

GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 2654-1989 Methods of hardness tests for welded joint and surfacing metal GB/T 2654-2008 Hardness test methods on welded joints GB/T 3965-1995 Methods for determination of diffusible hydrogen in deposited metal GB/T 3965-2012 Determination of diffusible hydrogen in deposited metal GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method SY/T 0599-2018 Natural gas ground facilities technical specifications for metal materials that resist sulfide stress cracking and stress corrosion cracking SY/T 0599-2006 The metal materials for natural gas ground facilities require resistance to sulfide stress cracking and stress corrosion cracking SY/T 7024-2023 The technical specifications for on-site hardness testing of metallic materials in hydrogen sulfide-containing oil and gas fields SY/T 7024-2014 Metallic material field hardness testing technical specification for high sulfur-containing hydrogen gas fields SY/T 0599-1997 Natural gas surface facilities require metal materials that are resistant to sulfide stress cracking GB 50251-2015 Code for design of gas transmission pipeline engineering

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