GB/T 44764-2024Petroleum, petrochemical and natural gas industries - Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining environments (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document is equivalent to ISO 17945:2015 "Petroleum, petrochemical and natural gas industries - Resistance to sulphide compounds in corrosive petroleum refining environments" Stress-cracking metal materials.

The following minimal editorial changes have been made to this document.

--- Deleted the three abbreviations HI, HIC and SOHIC in Chapter 4, which are not cited in the text;

--- The abbreviation of the obsolete unit ppmw has been deleted and replaced with the international unit "mg/kg" in the text.

1 Scope

This document specifies requirements for metallic materials resistant to sulfide stress cracking (SSC) in sour petroleum refining and related processing environments.

In the environment, H2S is in the gas phase or dissolved in the aqueous phase (liquid water) with or without hydrocarbons. This document does not include design specifications, nor does it include wet H2S cracking, environmental fracture, corrosion and other failure modes. This document is intended for refiners, equipment manufacturers, engineering contractors and construction companies.

For contractor use.

Specifically, this document is intended to prevent equipment used in the petroleum refining industry (including pressure vessels, heat exchangers, piping, valves, pumps, and compressors) from SSC prevention for carbon steel under P-No.1 category in Section IX of the ASME Boiler and Pressure Vessel Code (BPVC) Requirements are consistent with NACE SP0472.

This document applies to all equipment components exposed to sour refinery environments (see Chapter 6) where SSC failure will.

a) endanger the integrity of the pressure-containing system;

b) interfere with the essential functions of the equipment; and/or

c) Prevent the equipment from returning to an operational condition while continuing to be pressurized.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

ANSI/NACEMR0175/ISO 15156 Materials for use in H2S-containing environments in oil and gas production in the petroleum and natural gas industries (Pe-production)

Note 1.GB/T 20972.1-2007 Petroleum and natural gas industries Materials for use in hydrogen sulfide environments in oil and gas production Part 1: Selection of crack-resistant materials General principles of safety (ISO 15156-1:2001, IDT).

Note 2.GB/T 20972.2-2008 Petroleum and natural gas industry Materials for use in hydrogen sulfide environments in oil and gas production Part 2: Cracking-resistant carbon steel, low Alloy steel and cast iron (ISO 15156-2:2003, MOD).

Note 3.GB/T 20972.3-2008 Petroleum and natural gas industry Materials for use in hydrogen sulfide environments in oil and gas production Part 3: Cracking and corrosion resistant alloys and other alloys (ISO 15156-3:2003, MOD).

Note. GB/T 33362-2016 Conversion of hardness values of metal materials (ISO 18265:2013, IDT)