GB/T 46446.1-2025 Active National standards

GB/T 46446.1-2025 Petroleum,petrochemicals and natural gas industries—Internal coating and lining of carbon steel process vessels—Part 1:Technical requirements

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46446.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Oil drilling and extraction equipment and instruments

ICS Name: Exploration and drilling equipment

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 28 pages

Scope

This document specifies the minimum technical requirements for the surface treatment, materials, construction, inspection, and testing of coating and lining systems in carbon steel process containers used in the oil, petrochemical, and natural gas industries to withstand complex working conditions (significant pressure/temperature changes and/or potential corrosion conditions or corrosion processes, corrosive chemicals, etc.).
This document applies to the coating and lining of carbon steel process containers, as well as the repair of coating and lining systems with defects and performance degradation.