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First, the scope of application
Second, the type of gasket material and the type of gasket
Fourth, mechanical properties
(1) The hardness of the quenched and tempered steel Washer is 38 to 45 HRC. The hardness of the hot-dip galvanized gasket is 26 to 45 HRC.
(2) The depth of the carburized layer of the carburizing gasket should be ≥0.40 mm. The hardness is 69 to 73 HRA.
(3) Mechanically galvanized gaskets shall have the same surface hardness.
V. Number of test samples
Sixth, supplementary requirements
Surface roughness: The gasket should be treated with various measures to make the surface rough no more than 19μm, including any cracks on the surface; the height of the burr should not exceed 0.25mm.
Third, materials and processing
November 28, 2023
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November 28, 2023
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.