T/JSGT 012-2021 Petroleum and natural gas transportation hot-rolled wide and thick steel plate

Scope

Main technical content: 6. Dimensions, shape, weight, and allowable deviations 6.1 Dimensional allowable deviations 6.1.1 Thickness allowable deviations The thickness deviations of steel plates shall comply with the category specified by the buyer in the contract. If not specified, they shall comply with Category B of GB/T 709—2019. 6.1.2 Width allowable deviations The width allowable deviations of steel plates shall be 0 mm to +10 mm, or according to other requirements specified in the buyer's contract. 6.1.3 Length allowable deviations The length allowable deviations of steel plates shall be 0 mm to +50 mm, or according to other requirements specified in the buyer's contract. 6. Shape 6.2.1 Squareness deviations The squareness deviations of steel plates shall ensure that the steel plates are cut into rectangles according to the ordered dimensions, and the squareness deviations shall not exceed 3 mm. 6.2.2 Sickle bends The sickle bends shall not exceed 10 mm/12 m, and the minimum rectangular dimensions specified in the order shall be guaranteed. 6.2.3 Unevenness The unevenness of steel plates shall comply with the requirements specified in the buyer's contract. If not specified, the unevenness in any direction of the steel plates shall not exceed 10 mm/2 m. 6. Other requirements By agreement between the supplier and the buyer, steel plates of other dimensions, shapes, and allowable deviations may be supplied, which shall be specified in the contract.

Development Information

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