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SY/T 6423.4-1999Petreoleum and natural gas industries - Non - Destructive testing (NDT) methods of steel tubes for pressure purposes - Ultrasonic testing of the area adjacent to the weld seam oof wel (English PDF)

石油天然气工业承压钢管无损检测方法焊接钢管焊缝附近分层缺欠的超声波检测

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

January 1, 1999

Implementation date

January 1, 1999

Scope

SY/T 6423.4-1999 is the English-translated version of 石油天然气工业承压钢管无损检测方法焊接钢管焊缝附近分层缺欠的超声波检测.

SY/T 6423.4-1999 is the Chinese standard "Petreoleum and natural gas industries - Non - Destructive testing (NDT) methods of steel tubes for pressure purposes - Ultrasonic testing of the area adjacent to the weld seam oof wel".

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Document preview — SY/T 6423.4-1999

Document data

1 Document data

Sector: Petroleum & Gas.

Standard type: recommended.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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