T/SASE 014-2024 Active Group standards

T/SASE 014-2024 Full-compartment LNG storage tank: 9% Ni steel submerged arc welding process specification

Publish Date: 2024-04-28 Implement Date: 2024-05-28 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: T/SASE 014-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Welding and cutting

ICS Name: \nWelding process

Publish Date: 2024-04-28

Implement Date: 2024-05-28

Scope

Main technical content: During the construction of LNG storage tanks, the application scope of submerged arc welding technology for 9% Ni steel inner tanks continues to expand. While ensuring welding quality, it has improved the degree of welding mechanization, thereby promoting the overall welding efficiency of the storage tanks. During the preparation of this document, extensive and in-depth investigations and studies were conducted on the application of 9% Ni steel submerged arc welding in full-containment LNG storage tanks, including circumferential welds, large angle welds, butt welds of base plate edge boards, and reinforcing rings. By referring to relevant international standards and advanced foreign standards, this document was formulated. The main content of this document includes: the application scope of submerged arc welding for 9% Ni steel inner tanks of LNG storage tanks, relevant definitions and terminology, material acceptance standards, welding material storage, management, and use, welding process key points, and quality inspection requirements.